Thematische Bibliographien / Traffic surveys Transportation

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Auswahl der wissenschaftlichen Literatur zum Thema „Traffic surveys Transportation“

Autor: Grafiati

Veröffentlicht am 4. Juni 2021

Zuletzt aktualisiert am 1. Februar 2022

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Zeitschriftenartikel zum Thema "Traffic surveys Transportation"

MARCHALLECK, NICHOLAS, und ABRAHAM KANDEL. „FUZZY LOGIC APPLICATIONS IN TRANSPORTATION SYSTEMS“. International Journal on Artificial Intelligence Tools 04, Nr. 03 (September 1995): 413–32. http://dx.doi.org/10.1142/s0218213095000206.

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The purpose of this paper is to provide a survey of state of the art fuzzy logic applications in the field of transportation, illustrating the usefulness, and the promising future of the fuzzy approach. The majority of the discussion covers the area of fuzzy control. A wide range of Fuzzy Logic Controllers (FLCs) is discussed, ranging from traffic, to aircraft controllers. Although the majority of applications are to surface transportation, surveys of several aerospace applications are also given.

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Shavyraa, Ch D. „RESULTS OF PASSENGER RESOURCES EXAMINATIONS IN KYZYL CITY OF THE TYVA REPUBLIC“. Russian Automobile and Highway Industry Journal 15, Nr. 5 (11.11.2018): 718–24. http://dx.doi.org/10.26518/2071-7296-2018-5-718-724.

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Introduction.The paper considers the results of surveys taking into account the efficiency increase of passenger traffic in a small town. The need to regulate the work of carriers of various ownership forms, taking into account the characteristics of urban routes, determines the relevance of the research in this area. Therefore, the purpose of the survey is to clarify the total size of the movement of the zones and the city as a whole for the further projects’ development of the road network planning and for the passenger traffic development.Materials and methods.The paper considers alternatives to passenger surveys, i.e. application of the most optimal variants of the transportation plan. The characteristics of the route and load on the routes of Kyzyl are also illustrated. The author uses the methodology of surveying the population transport needs in a small town, in particular, the counting of passengers.Results.As a result, the author conducts the survey of passenger traffic, taking into account the city specific. The characteristics of the route and the load on the routes of Kyzyl are studied. It is important to use the methodology of the transport needs and transport services for population in a small town.Discussion and conclusions. On the basis of the conducted surveys of passenger traffic, the average hourly volume of transportation on routes is revealed and the unevenness of traffic volume is calculated.

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Gosling, Geoffrey D. „Airport Ground Access and Intermodal Interface“. Transportation Research Record: Journal of the Transportation Research Board 1600, Nr. 1 (Januar 1997): 10–17. http://dx.doi.org/10.3141/1600-02.

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The airport ground transportation system is receiving increasing attention from airport authorities and regional transportation planning agencies. The need to plan for facilities at the airport and concern about the impact of traffic on streets and highways surrounding the airport, and about emissions generated by this traffic are forcing airports to consider strategies to reduce or mitigate ground access traffic. The 1991 Intermodal Surface Transportation Efficiency Act has caused transportation agencies at all levels to address the integration of different transportation modes, including coordination between the air and surface components of the transportation system. The range of ground access planning issues is reviewed, and three alternative strategies to improve intermodal connections at airports are discussed: new or upgraded rail links, off-airport terminals, and ground transportation centers at the airport. The planning and design issues that arise with each type of facility are addressed, as well as the analytical tools and data needed to evaluate the wide range of airport ground access projects and to plan the implementation of those selected. These include air passenger and truck surveys, development of operational data on the ground access system, and use of access mode choice and traffic flow models. Research needs in the area of airport ground access are also discussed.

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Herman, Lloyd A., Michael A. Finney, Craig M. Clum und E. W. Pinckney. „Perception of Traffic Noise Barrier Effectiveness: Public Opinion Survey of Residents Living near I-71“. Transportation Research Record: Journal of the Transportation Research Board 1601, Nr. 1 (Januar 1997): 49–54. http://dx.doi.org/10.3141/1601-08.

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The completion of the largest Ohio Department of Transportation traffic noise abatement project in 1995 was met with public controversy over the effectiveness of the noise barriers. A public opinion survey was designed to obtain the perceptions of the residents in the project area. In a departure from most surveys of traffic noise barrier effectiveness, the coverage was not limited to the first or second row of houses, but was extended to 800 m on each side of the roadway. It was found that the larger survey area was needed to avoid misleading conclusions. Overall perceptions of noise barrier effectiveness were found to vary with distance from the roadway and with noise barrier configuration.

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Lenz, Barbara. „Will Electronic Commerce Help to Reduce Traffic in Agglomeration Areas?“ Transportation Research Record: Journal of the Transportation Research Board 1858, Nr. 1 (Januar 2003): 39–46. http://dx.doi.org/10.3141/1858-06.

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Assumptions that have been made about the impact of electronic shopping, like teleshopping and electronic commerce (e-commerce), on physical transportation have largely forecast considerable substitution effects. However, empirical evidence has been missing. To fill this gap, research was carried out in the Stuttgart region in southwest Germany to assess potential traffic substitution on the regional level in a midterm perspective of 10 years. The assessment is based on a model that deduces the traffic substitution potential from the behavior of the consumer who chooses alternatively physical or virtual shopping places depending on the commodity he or she needs or wants. The commodity not only is crucial for the choice of the shopping place and the frequency of purchases, but it is also important for the choice of the means of transportation or alternative shopping via Internet. The model that underlies this research comprises four steps. First, surveys are compiled on shopping behavior and transportation behavior for shopping purposes. The second step provides the deduction of groups with similar behavior regarding travel, affinity for e-commerce, and shopping. This leads to hypotheses about e-commerce potential within the research area and allows the assessment of substitution effects by comparing the status quo with the scenario constructed by the empirical data. Regarding the impact of e-commerce on transportation, the results promise only slight reductions of clearly less than 10% of total shopping transportation caused by consumers.

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Mohammed, Ali A. „By Using Model Shift and Improving The Walking Facilities: A Case Study In Kuala Lumpur, Malaysia“. International Journal of Advances in Applied Sciences 3, Nr. 4 (01.12.2014): 184. http://dx.doi.org/10.11591/ijaas.v3.i4.pp184-195.

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The recent increase in privately owned vehicles has caused numerous problems: traffic congestions, unnecessary fuel lost and global warming are only few of these problems. This study will try to understand people’s behavior and modal choice and try to sway them to means of public transportation. A survey of mode choice between cars users in a neighborhood in Kuala Lumpur was conducted. A total of 25 surveys were collected over the course of a month. Among data collected were demographic details such as age, gender, educational level and travel behavior. The data was processed by SPSS software to determine which factors encourages and discourages using private, public transportation or walking. The study highlighted four models travel time reduction, travel cost reduction, and increase the parking charges and improves the walking facility. The sensitivity analysis results show that the main attraction that might switch private car users is travel time and improving the walking facility. The consequences of these would be less traffic on the roads contributing to less pollution and greater safety.

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Tung, Tran Minh. „Sustainabilization of Hanoi mobility approached from new residential areas: Will it be a city without motorbike?“ Journal of Science and Technology in Civil Engineering (STCE) - NUCE 13, Nr. 1 (31.01.2019): 89–99. http://dx.doi.org/10.31814/stce.nuce2019-13(1)-09.

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Due to the policy of the Doi moi in Vietnam started in 1986, Hanoi has undergone many important changes. Currently, Hanoi's traffic is characterized by seemingly continuous motorcycle flows - a representative of high personal mobility in the context of rising incomes. Congestion, dust, pollution, insecurity, overload, etc., they are important keywords to describe Hanoi's urban traffic. Hanoi has put in place a number of policies to improve the transportation system. In 2017, in Hanoi's new mobility improvement project, there is a regulation on motorcycles: “The municipality will zone by limiting the activities of motorcycles according to the infrastructure and the service capacity of the public transportation system to stop motorcycle activities in the central districts in 2030” that becomes controversial. This article, based on the results of surveys assessing the level of satisfaction and desires of people about traffic at the KDTMs of Hanoi, analyzes the differences between the wishes of the municipality and the practices of Hanoi, through habits, modes of mobility of KDTM residents - the new residential areas of Hanoi that bring a different atmosphere of habitat compared to existing neighborhoods, by changing the mode of (re)making of the city. How will the traffic of KDTM residents be affected by this decision as well as how KDTMs will participate in the sustainable transportation of Hanoi?. It is the KDTMs with their “novelties” that will have to become pioneers creating opportunities of the changing of Hanoi traffic. Keywords: Hanoi; sustainable mobility; efficient transportation; motorcycle; KDTM (new residential area). Received 08 December 2018, Revised 30 January 2019, Accepted 30 January 2019

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Buchanan, Patricia M., David W. Mokarem, Richard E. Weyers und Michael M. Sprinkel. „Shrinkage of Latex-Modified and Microsilica Concrete Overlays“. Transportation Research Record: Journal of the Transportation Research Board 1834, Nr. 1 (Januar 2003): 33–39. http://dx.doi.org/10.3141/1834-05.

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Shrinkage performance was examined of Virginia Department of Transportation-approved latex-modified and microsilica concrete overlay mixtures. Research was conducted on both field-sampled and laboratory-fabricated restrained and unrestrained specimens. From crack and delamination surveys of sampled bridge decks and laboratory test results, a shrinkage performance-based specification for the Virginia Department of Transportation was developed. There was no significant difference between the unrestrained shrinkage values of latex-modified and microsilica concrete overlay mixtures for the specified time periods. Restrained microsilica concrete specimens generally cracked earlier and more frequently than restrained latex-modified concrete specimens. However, the bridge deck crack and delamination surveys show that conditions and quality of construction and type and frequency of traffic may have a greater effect on cracking than the overlay material.

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Hobeika, Antoine, R. Sivanandan, Karen M. Jehanian und Mary D. Ameen. „Advanced Traveler Information System Users' Needs in I-95 Northeast Corridor“. Transportation Research Record: Journal of the Transportation Research Board 1537, Nr. 1 (Januar 1996): 55–62. http://dx.doi.org/10.1177/0361198196153700108.

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The I-95 Corridor Coalition, comprising 28 transportation agencies and state and local departments of transportation and supported by a number of federal and quasipublic organizations, has embarked on an aggressive program to study and implement intelligent transportation system services along this priority corridor from Maine to Virginia. A key element to the success of this effort is that the travel information needs and desires of the I-95 travelers be satisfied. A comprehensive multimodal study was initiated by the I-95 Corridor Coalition to assess the advanced traveler information system needs of I-95 corridor users and to determine the market potential for such information. The stakeholders include user groups, providers, and producers. The target groups include local and long-distance (business and recreation) automobile travelers, transit users, intercity air travelers, and intercity rail travelers. The provider groups include state, regional, and local transportation agencies, whereas the producer groups include telecommunications companies, automobile manufacturers, and traveler information service providers. Several survey mechanisms were used to assess the user and provider information needs and will be used to assess the market potential. These include focus groups, telephone surveys, on-site surveys, and individual interviews. Thus far in the study users have ranked roadway safety, personal security, and traffic information high in importance. Users have also indicated a willingness to pay for multimodal traveler information services both for their pretrip planning and while en route.

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Yuan, Li, und Jian Lu. „Safety Evaluation and Improvements for Highway Intersections“. Transportation Research Record: Journal of the Transportation Research Board 2060, Nr. 1 (Januar 2008): 46–52. http://dx.doi.org/10.3141/2060-06.

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Intersection safety is one of the most important issues in transportation. Traffic crash analysis—the most popular method to evaluate or assess the safety performance of an intersection—has been used for a long time. However, it is based on a lot of crash data, which need to be accumulated over a long period. In addition, traffic crashes sometimes occur randomly as a result of human driving behavior. Therefore, without sufficient data and crash history, traffic crash analysis may not give an overall evaluation of an intersection's safety performance. This paper introduces an approach to evaluating highway intersection safety performance. It is fully based on the existing conditions of the intersection, including geometrics, sight distance, pavement surface conditions, traffic control devices, traffic signal timing, and phasing. The non-accident-based approach is based on field surveys under the conditions mentioned previously. The approach will also result in a safety index to indicate the safety performance of the intersection. Corresponding countermeasures are ranked and recommended based on cost–benefit analysis. This paper is based on research results from part of a project (entitled Safety Design of Highway Intersections) sponsored by the China Department of Transportation. In this paper, the approach (called a diagnostic approach) is practically applied to evaluate the safety performance of some intersections in Shan Dong Province. Results from the real application indicate that the approach has good applicability and can be used by field safety engineers in real applications.

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Mehr Quellen

Dissertationen zum Thema "Traffic surveys Transportation"

Lu, Dawei. „Route Level Bus Transit Passenger Origin-Destination Flow Estimation Using Apc Data: Numerical And Empirical Investigations“. Columbus, Ohio : Ohio State University, 2008. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1228268640.

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Unnikrishnan, Avinash. „Equilibrium models accounting for uncertainty and information provision in transportation networks“. [Austin, Tex. : University of Texas Libraries, 2008. http://www.lib.utexas.edu/etd/d/2008/unnikrishnana67041/unnikrishnana67041.pdf#page=3.

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Currans, Kristina Marie. „Improving Vehicle Trip Generation Estimations for Urban Contexts: A Method Using Household Travel Surveys to Adjust ITE Trip Generation Rates“. PDXScholar, 2013. https://pdxscholar.library.pdx.edu/open_access_etds/987.

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The purpose of this research is to develop and test a widely available, ready-to-use method for adjusting the Institute of Transportation Engineers (ITE) Trip Generation Handbook vehicle trip generation estimates for urban context using regional household travel survey data. The ITE Handbook has become the predominant method for estimating vehicle trips generated by different land uses or establishment, providing a method for data collection and vehicle trip estimation based on the size of the development (e.g. gross square footage, number of employees, number of dwelling units). These estimates are used in traffic impact analysis to assess the amount of impact the development will have on nearby transportation facilities and, the corresponding charges for mitigating the development's negative impacts, with roadway expansions, added turning bays, additional parking or traffic signalization, for example. The Handbook is often criticized, however, for its inability to account for variations in travel modes across urban contexts. For more than fifty years, ITE has collected suburban, vehicle-oriented data on trip generation for automobiles only. Despite the provision of warnings against application in urban areas, local governments continue to require the use of the ITE Handbook across all area-types. By over predicting vehicle traffic to developments in urban developments, developments may be overcharged to mitigate these developments locating in urban environments despite the lower automobile mode shares, discouraging infill development or densification. When ITE's Trip Generation Handbook overestimates the vehicle impact of a development, facilities are also overbuilt for the automobile traffic and diminishing the use of alternative modes. When ITE's TGH underestimates this impact, adjacent facilities may become oversaturated with traffic, pushing cars onto smaller facilities nearby. Currently, there is momentum amongst practitioners to improve these estimation techniques in urban contexts to help support smart growth and better plan for multiple modes. This research developed and tested a method to adjust ITE's Handbook vehicle trip generation estimates for changes in transportation mode shares in more urban contexts using information from household travel surveys. Mode share adjustments provide direct reductions to ITE's Handbook vehicle trip estimations. Household travel survey (HTS) data from three regions were collected: Portland, Oregon; Seattle, Washington; and Baltimore, Maryland. These data were used to estimate the automobile mode share rates across urban context using three different adjustment methodologies: (A) a descriptive table of mode shares across activity density ranges, (B) a binary logistic regression that includes a built environment description of urban context with the best predictive power, and (C) a binary logistic regression that includes a built environment description of urban context with high predictive power and land use policy-sensitivity. Each of these three methods for estimating the automobile mode share across urban context were estimated for each of nine land use categories, resulting in nine descriptive tables (Adjustment A) and eighteen regressions (Adjustments B and C). Additionally, a linear regression was estimated to predict vehicle occupancy rates across urban contexts for each of nine land use categories. 195 independently collected establishment-level vehicle trip generation data were collected in accordance with the ITE Handbook to validate and compare the performance of the three adjustment methods and estimations from the Handbook. Six land use categories (out of the nine estimated) were able to be tested. Out of all of the land uses tested and verified, ITE's Trip Generation Handbook appeared to have more accurate estimations for land uses that included residential condominiums/townhouses (LUC 230), supermarkets (LUC 850) and quality (sit-down) restaurants (LUC 931). Moderate or small improvements were observed when applying urban context adjustments to mid-rise apartments (LUC 223), high-turnover (sit-down) restaurants (LUC 932). The most substantial improvements occurred at high-rise apartments (LUC 222) and condominiums/townhouses (LUC 232), shopping centers (LUC 820), or coffee/donut (LUC 936) or bread/donut/bagel shops (LUC 939) without drive-through windows. The three methods proposed to estimate automobile mode share provides improvements to the Handbook rates for most infill developments in urban environments. For the land uses analyzed, it appeared a descriptive table of mode shares across activity density provided results with comparable improvements to the results from the more sophisticated binary logistic model estimations. Additional independently collected establishment-level data collections representing more land uses, time periods and time of days are necessary to determine how ITE's Handbook performs in other circumstances, including assessing the transferability of the vehicle trip end rates or mode share reductions across regions.

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Currans, Kristina Marie. „Issues in Urban Trip Generation“. PDXScholar, 2017. https://pdxscholar.library.pdx.edu/open_access_etds/3778.

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In the 1976, the Institute of Transportation Engineers (ITE) compiled their first Handbook of guidelines and methods for evaluating development-level transportation impacts, specifically vehicular impacts (Institute of Transportation Engineers 1976). Decades later, these methods--essentially the same as when they were originally conceived--are used ubiquitously across the US and Canada. Only recently, with the guidelines in its third edition of the ITE's Trip Generation Handbook (Institute of Transportation Engineers 2014) new data and approaches have been adopted--despite substantial evidence that questions the accuracy of older data, automobile bias, and lack of sensitivity to urban contexts. This dissertation contributes to this literature by focusing on the data, methods, and assumptions so commonly included in development- or site-level evaluation of transportation impacts. These methods are omnipresent in development-level review--used in transportation impact analyses or studies (TIAs/TISs) of vehicular or mode-based impacts, vehicle miles traveled (VMT) and estimates of emissions, scaling or scoping development size, and evaluating transportation system development, impact or utility fees or charges. However, few have evaluated the underlying characteristics of these foundational data--with few exceptions--this manuscript takes aim at understanding inherent issues in the collection and application of ITE's data and methods in various urban contexts. This manuscript includes a compiled dissertation, four papers written consecutively. The first, evaluates state-of-the-art methods in Chapter 2--identifying gaps in the literature. Two such gaps are explored in Chapter 3 and Chapter 4. In Chapter 3, a larger implicit assumption present in ITE's methods--that the existing land-use taxonomy is an optimal and accurate way to describe land use and segment data. Results indicate a simplified taxonomy would provide substantial reductions in cost corresponding with a minor loss in the model's explanation of variance. Following, Chapter 4 explores a common assumption that requires ITE's vehicle trips be converted into person trips and applied across contexts. The results point to the need to consider demographics in site-level transportation impact analysis, particularly to estimate overall demand (person trips, transaction activity) at retail and service development. In Chapter 5, the findings from this research and previous studies are extrapolated to evaluate and quantify the potential bias when temporal, special, and social contexts are ignored. The results indicate the compounding overestimation of automobile demand may inflate estimation by more than 100% in contexts where ITE should be applicable (suburban areas with moderate incomes). In the conclusions (Chapter 6), the implications of this work are explored, followed by recommendations for practice and a discussion of the limitations of this research and future work.

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Ng, Po-man, und 吳寶文. „A study of passenger land transport connection between Hong Kong International Airport and the Pearl River Delta“. Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2003. http://hub.hku.hk/bib/B26738661.

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Jiang, Zhuojun. „Incorporating image-based data in AADT estimation methodology and numerical investigation of increased accuracy /“. Connect to resource, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1123724063.

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Thesis (Ph. D.)--Ohio State University, 2005.
Title from first page of PDF file. Document formatted into pages; contains xi, 184 p.; also includes graphics (some col.). Includes bibliographical references (p. 158-167). Available online via OhioLINK's ETD Center

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Scuderi, Marco Giovanni. „Bayesian approaches to learning from data how to untangle the travel behavior and land use relationships“. College Park, Md. : University of Maryland, 2005. http://hdl.handle.net/1903/3201.

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Thesis (Ph. D.)--University of Maryland, College Park, 2005.
"Bayesian scoring is used to evaluate and compare results from actual data collected for the Baltimore Metropolitan Area with the set of predominant conceptual frameworks linking travel behavior and land use obtained from the literature"--Abstract. Includes bibliographical references (p. 167-176) and abstract.

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Maddox, Brian C. „Emerging role of activity center transportation organizations in traffic operations services“. Thesis, Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/49038.

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The TMA Traffic Operations Survey was developed, which focused on traffic operations services and transportation system management practices of TMOs. The survey had the following structure: background, membership, services, and follow-up. The survey was emailed to 157 TMOs around the nation and 35 responses were received, a 22.2% response rate. Of the participating organizations only five (17%) organizations provided traffic services including traffic control improvements, signal timing, and collection of traffic data. These findings determined that a minority of organizations are involved in traffic operations. The multiple organizations that are involved in traffic operations provided data on their websites including incident alerts, live traffic views, and real-time traffic or shuttle information. Very few of the organizations that used data to provide traffic operations services generated the data themselves. The research results determined that few organizations are actively attempting to assume a role in traffic operations.

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Diniz, Junior Paulo Carvalho. „Serviços telemáticos em uma rede de transporte público baseados em veículos conectados e dados abertos“. Universidade Tecnológica Federal do Paraná, 2017. http://repositorio.utfpr.edu.br/jspui/handle/1/2691.

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VINNOVA;KTH;URBS
Um conceito bastante em voga atualmente e o de cidades inteligentes. Ele define um tipo de desenvolvimento urbano capaz de reduzir os impactos ambientais, melhorando os modelos atuais de acesso a recursos naturais, transportes, gestão do lixo, climatização residencial e sobretudo a gestão da energia (produção e distribuição). O massivo volume de dados produzidos por cidades inteligentes oferece uma grande oportunidade para analisar, compreender e melhorar o modo como elas funcionam e se desenvolvem. Esta explosão na quantidade de informações tem elevado a importância do aprendizado a partir de dados a um patamar extremamente elevado. Esta dissertação tem por objetivo descrever uma metodologia para aquisição e exploração de dados de um dos mais importantes pilares de cidades inteligentes: o sistema de transporte público. Como obter, armazenar e utilizar tais dados a fim de prover a todos os envolvidos, serviços telemáticos de alto valor agregado e o problema que se busca resolver neste trabalho. Cinco serviços telemáticos são propostos sob forma de prova de conceito: avaliação da cobertura da rede de transporte atual, seguida de uma proposta de novas linhas de ônibus; avaliação indireta da ocupação diária dos ônibus da cidade; cerca-eletrônica com os limites geográficos definidos pelos itinerários das linhas; serviços de alerta de velocidade e de manutenção. Os resultados são bastante coerentes e promissores, abrindo um grande leque de possíveis trabalhos futuros a serem explorados.
Smart city is a very trendy concept today. It defines a type of urban development capable of reducing environmental impacts, enhancing current models of access to natural resources, better transportation systems, waste management, residential climatization and, above all, energy management (production and distribution). The huge data volume produced by smart cities offers a great opportunity to analyze, understand and improve the way cities work and grow. This explosion in the amount of digital information has elevated the importance of learning from data to a higher level. This document aims at describing a methodology for acquiring and exploring data from one of the most important pillars of smart cities: the public transportation system. How to acquire, store and use such data in order to provide to all stakeholders telematics services with high added value is the problem that is sought to solve in this work. Five telematics services proof of concept are proposed: assessment of current network coverage followed by the proposal of some new bus lines; indirect evaluation of buses’ passengers occupation during the day; geofence with geographical boundaries according to itineraries; speed alert and maintenance reminder services. The results are very coherent and promising, opening up a wide range of possible future work to be explored.

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Kirmizioglu, Erkut. „Analysis Of Comprehension Of Traffic Signs: A Pilot Study In Ankara, Turkey“. Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612722/index.pdf.

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Traffic signs, which are extremely important for traffic safety, aims to regulate traffic by providing information about the characteristics of road and road environment for drivers. The success of traffic signs mainly rely on the easy comprehensibility of its meaning in a short time. Further more, today&rsquo
s global economies and transportation systems emphasize the need for more universial traffic signs which was the main motivation of two main treaties on traffic signs
Vienna Convetion in 1968 and European Aggreement Treaty in 1971, which are signed and followed by Turkey. For an effort to increase traffic safety, a Subcommittee of the Turkish Highway Traffic Safety (THTS) Council requested the determination of comprehensibility of critical signs with higher probability of impact on traffic safety selected by a group of experts from engineers and law enforcement agencies in a survey study. The survey questionnaire included 30 selected traffic signs (including two prohibition signs omitting oblique bar recently changed as a part of the European Union Participation Process) and 9 control group signs, a total of 39 traffic signs, and driver characteristic questions, such as gender, age, educational background, etc. to reveal insights about a) the level of comprehensibility of different groups of traffic signs and and b) driver characteristics that may affect the comprehensibility of these signs. A pilot study in the city of Ankara is conducted over a sample of 1,478 surveys. Answers for the meaning of each sign are coded using a scale of five (opposite, wrong, no comment, partially correct and correct responses). The results showed that the control group signs have very high comprehensibility as expected, while some of the critical signs were not known much, or mistaken for others, even mistaken for opposite meanings. The certain loss of comprehensibility of the traffic signs changed recently is seen in the comparative analysis of the signs before and after the change, as well as significant shift towards an opposite meaning. The significance of driver characteristics (gender, education, occupation etc.) affecting the comprehensibility of the traffic signs varies among traffic signs and characteristics. As the result of this study, (THTS) Council decided to support traffic and driver education more and mass promotion of mis- or un-comprehended signs without searching for more local solutions or versions.

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Bücher zum Thema "Traffic surveys Transportation"

National Research Council (U.S.). Transportation Research Board, National Cooperative Highway Research Program, American Association of State Highway and Transportation Officials und United States. Federal Highway Administration, Hrsg. Freight transportation surveys. Washington, D.C: Transportation Research Board, 2011.

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Torres, Juana A. Alavez. Jerarquía de movilidad según flujos de población en el área rural de Mexicali, zona sureste, 1990. Mexicali, B.C: XIII Ayuntamiento del Municipio de Mexicali, 1991.

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Jesús Rafael de Vera Ferre. Estudio geográfico del tráfico urbano de Alicante en los primeros años setenta. Alicante: Caja de Ahorros Provincial de Alicante, 1985.

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Baber, Charles M. Carroll County transportation study documentation of subarea travel model development. Baltimore (601 N. Howard St., Baltimore 21201): Baltimore Regional Council of Governments, Transportation Planning Division, 1991.

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Albright, David. 1990 survey of traffic monitoring practices among state transportation agencies of the United States: Final report. Santa Fe, N.M: New Mexico State Highway and Transportation Dept., 1990.

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Traffic issues: From a Tyrolean perspective. Frankfurt am Main: Peter Lang, 1997.

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Paatz, Burkhard. Verkehrserhebung 1992 auf ausgewählten Strassenabschnitten der neuen Bundesländer. [Bergisch Gladbach]: Die Bundesanstalt, 1992.

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Toronto Area Transportation Planning Data Collection Steering Committee (Ont.). Design and conduct of the survey. Downsview, Ont: Ministry of Transportation, 1992.

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International Conference on Travel Behavior (1985 Noordwijk, Netherlands). Behavioural research for transport policy: The 1985 International Conference on Travel Behaviour, Noordwijk, the Netherlands, 16-19 April, 1985. Utrecht, Netherlands: VNU Science Press, 1986.

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B, Bernardo Navarro. Area metropolitana de la Ciudad de México: Prácticas de desplazamiento y horarios laborales. [México, D.F.]: Universidad Autónoma Metropolitana, Unidad Xochimilco, 2000.

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Mehr Quellen

Buchteile zum Thema "Traffic surveys Transportation"

Ingale, Ajinkya, Prasanta Sahu, Rishabh Bajpai, Avijit Maji und Ashoke Sarkar. „Understanding Driver Behavior at Intersection for Mixed Traffic Conditions Using Questionnaire Survey“. In Transportation Research, 647–61. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-32-9042-6_51.

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Hettesheimer, Tim, Cornelius Moll, Kerstin Jeßberger und Saskia Franz. „Small Electric Vehicles in Commercial Transportation: Empirical Study on Acceptance, Adoption Criteria and Economic and Ecological Impact on a Company Level“. In Small Electric Vehicles, 69–83. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-65843-4_6.

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AbstractSmall electric vehicles (SEVs) in commercial transportation have the potential to reduce traffic and its impacts, especially in urban areas. Companies, however, are still reluctant to implement SEVs. Therefore, the aim of this contribution is to shed light on the acceptance of motives for and obstacles to the use of SEVs in commercial transportation. Since the use of SEVs is often discussed in the context of innovative city logistics concepts, such as micro-hubs, our aim is also, to explore the acceptance, economic, and ecological potentials of SEVs in combination with micro-hubs. We use a multi-method approach and combine an online survey with in-depth interviews as well as a total cost of ownership (TCO) and CO2 calculation. Analyzing 350 responses to an online survey revealed that around half the companies surveyed have no knowledge of SEVs. This implies high unexploited potential, since 25% of these companies can imagine using them. In-depth interviews with logistics service providers (LSPs) or logistics departments from different sectors revealed that six of the 13 interviewed LSPs would be willing to implement this concept.

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Harloff, Günter, Thorsten Chmura und Thomas Pitz. „Survey and Forecasts on Public Transportation in NRW & Stirring up Interfaces and Demarcations of Traffic Models“. In Human Behaviour and Traffic Networks, 155–66. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-662-07809-9_6.

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Stepanchuk, Oleksandr, Andriy Belyatynskyi und Olexander Pylypenko. „The Survey of Transport Vehicle Delays at the Traffic Light Intersections of the Urban Arterial Streets“. In TRANSBALTICA XI: Transportation Science and Technology, 1–9. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-38666-5_1.

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Profillidis, Vassilios, George Botzoris und Athanasios Galanis. „Traffic Noise Reduction and Sustainable Transportation: A Case Survey in the Cities of Athens and Thessaloniki, Greece“. In Data Analytics: Paving the Way to Sustainable Urban Mobility, 402–9. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-02305-8_49.

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Zhang, Chengcui. „A Survey of Visual Traffic Surveillance Using Spatio-Temporal Analysis and Mining“. In Transportation Systems and Engineering, 1044–63. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8473-7.ch053.

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The focus of this survey is on spatio-temporal data mining and database retrieval for visual traffic surveillance systems. In many traffic surveillance applications, such as incident detection, abnormal events detection, vehicle speed estimation, and traffic volume estimation, the data used for reasoning is really in the form of spatio-temporal data (e.g. vehicle trajectories). How to effectively analyze these spatio-temporal data to automatically find its inherent characteristics for different visual traffic surveillance applications has been of great interest. Examples of spatio-temporal patterns extracted from traffic surveillance videos include, but are not limited to, sudden stops, harsh turns, speeding, and collisions. To meet the different needs of various traffic surveillance applications, several application- or event- specific models have been proposed in the literature. This paper provides a survey of different models and data mining algorithms to cover state of the art in spatio-temporal modelling, spatio-temporal data mining, and spatio-temporal retrieval for traffic surveillance video databases. In addition, the database model issues and challenges for traffic surveillance videos are also discussed in this survey.

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Papadimitriou, Eleonora, George Yannis und John Golias. „Analysis of Pedestrian Road Crossing Behaviour in Urban Areas“. In Transportation Systems and Engineering, 1164–79. IGI Global, 2015. http://dx.doi.org/10.4018/978-1-4666-8473-7.ch060.

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The objective of this research is the analysis of pedestrians behaviour along entire trips in urban road networks, with focus on their interaction with the traffic and the road environment while crossing roads. For this purpose, a special field survey was designed and carried out, which involved the recording of pedestrians road crossing behaviour along entire trips in real time by means of camera in motion at the centre of Athens, Greece. Based on the results of the field survey, an analysis of road crossing behaviour of pedestrians is presented, concerning characteristics of the trips, the pedestrians, the road environment and the traffic conditions. The results indicate that basic parameters of pedestrian trips (i.e. trip length, walking speed, number of crossings) can be described by appropriate probability distributions. They also reveal a tendency of pedestrians to cross either in the beginning or in the end of the trip, an increased probability of crossing at signalized junctions when these are available, and increased probability of crossing at mid-block in low traffic volume and on one-way roads. Furthermore, there is an overall tendency of pedestrians cross to at mid-block when the road and traffic conditions are favourable. On the contrary, more traffic lanes and increased traffic volume appear to discourage pedestrians from accepting important interaction with the vehicles and to lead them towards the choice of protected crossing locations. The proposed data collection method and the results of the analysis can be exploited in further research for the development of models of pedestrian crossing behaviour along entire trips in urban areas.

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Wan, C. L., und K. W. Dickinson. „ROAD TRAFFIC MONITORING USING IMAGE PROCESSING—A SURVEY OF SYSTEMS, TECHNIQUES AND APPLICATIONS“. In Control, Computers, Communications in Transportation, 27–34. Elsevier, 1990. http://dx.doi.org/10.1016/b978-0-08-037025-5.50010-4.

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Desjardins, Charles, Julien Laumônier und Brahim Chaib-draa. „Learning Agents for Collaborative Driving“. In Multi-Agent Systems for Traffic and Transportation Engineering, 240–60. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-226-8.ch011.

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This chapter studies the use of agent technology in the domain of vehicle control. More specifically, it illustrates how agents can address the problem of collaborative driving. First, the authors briefly survey the related work in the field of intelligent vehicle control and inter-vehicle cooperation that is part of Intelligent Transportation Systems (ITS) research. Next, they detail how these technologies are especially adapted to the integration, for decision-making, of autonomous agents. In particular, they describe an agent-based cooperative architecture that aims at controlling and coordinating vehicles. In this context, the authors show how reinforcement learning can be used for the design of collaborative driving agents, and they explain why this learning approach is well-suited for the resolution of this problem.

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„Bikeability in Metropolitan Areas“. In Big Data Analytics in Traffic and Transportation Engineering, 26–44. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7943-4.ch002.

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There have been several techniques for measuring bikeability; however, limited comprehensive research has been conducted focusing on travel distance as an important barrier for cyclists. Furthermore, existing measurements are mainly restricted by the availability of travel behaviour data. In this chapter, a new index for measuring bikeability in metropolitan areas is presented. The Cycling Accessibility Index (CAI) has been developed for computing cycling accessibility within Melbourne metropolitan, Australia. The CAI is defined consistent with gravity-based measures of accessibility. This index measures cycling accessibility levels considering mixed use developments as well as travel distance between origins and destinations. The Victorian Integrated Survey of Travel and Activity (VISTA) dataset was used to assess the proposed index and investigate the association between cycling accessibility levels and number of bicycle trips in local areas. Key findings indicate that there is a significant positive association between bicycle trips and the CAI.

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Konferenzberichte zum Thema "Traffic surveys Transportation"

Cools, Mario, Ismaïl Saadi, Ahmed Mustafa und Jacques Teller. „Calibration of MATSim in the context of natural hazards in Belgium“. In CIT2016. Congreso de Ingeniería del Transporte. Valencia: Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/cit2016.2016.4098.

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In Belgium, river floods are among the most frequent natural disasters and they may cause important changes on travel demand. In this regard, we propose to set up a large scale scenario using MATSim for guarantying an accurate assessment of the river floods impact on the transportation systems. In terms of inputs, agent-based models require a base year population. In this context, a synthetic population with a respective set of attributes is generated as a key input. Afterwards, agents are assigned activity chains through an activity-based generation process. Finally, the synthetic population and the transportation network are integrated into the dynamic traffic assignment simulator, i.e. MATSim. With respect to data, households travel surveys are the main inputs for synthesizing the populations. Besides, a steady-state inundation map is integrated within MATSim for simulating river floods. To our knowledge, very few studies have focused on how river floods affect transportation systems. In this regard, this research will undoubtedly provide new insights in term of methodology and traffic pattern analysis under disruptions, especially with regard to spatial scale effects. The results indicate that at the municipality level, it is possible to capture the effects of disruptions on travel behavior. In this context, further disaggregation is needed in future studies for identifying to what extent results are sensitive to disaggregation. In addition, results also suggest that the target sub-population exposed to flood risk should be isolated from the rest of the travel demand to reach have more sensitive effects.DOI: http://dx.doi.org/10.4995/CIT2016.2016.4098

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Chen, Bo, Harry H. Cheng und Joe Palen. „Agent-Based Approach in Roadway Traffic and Transportation Systems: State of the Art“. In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-43010.

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Agent technology is rapidly emerging as one of the powerful technologies for the development of large-scale distributed systems to deal with the uncertainty in a dynamic environment. The domain of traffic and transportation systems is well suited for an agent-based approach because systems are usually geographically distributed in dynamic changing environments. Our literature survey shows that the techniques and methods resulted from the field of agent and multi-agent systems have been applied to many aspects of traffic and transportation systems, including modeling and simulation, dynamic routing and congestion management, intelligent traffic management, and urban traffic signal control. This paper examines agent-based approach and its applications in roadway traffic and transportation systems, and discusses several future research directions towards successful deployment of agent technology in traffic and transportation systems.

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Guan, Hongzhi, Mingjun Liao und Lanhui Liu. „Study on Estimating OD Table with Roadside Interview OD Survey“. In International Conference on Traffic and Transportation Studies (ICTTS) 2002. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40630(255)39.

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Lu, Alex, Thomas Marchwinski, Robert Culhane und Xiaojing Wei. „Estimation of Pre-COVID19 Daily Ridership Patterns From Paper and Electronic Ticket Sales Data With Origin-Destination, Time-Of-Day, and Train-Start Detail on a Commuter Railroad: Quick-Response Big Data Analytics in a World Steeped With Tradition“. In 2021 Joint Rail Conference. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/jrc2021-59109.

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Abstract Our niche method independently estimates hourly commuter rail station-to-station origin-destination (OD) matrix data each day from ticket sales and activation data from four sales channels (paper/mobile tickets, mail order, and onboard sales) by extending well-established transportation modelling methodologies. This algorithm’s features include: (1) handles multi-pack pay-per-ride fare instruments not requiring electronic validation, like ten-trip paper tickets “punched” onboard by railroad conductors; (2) correctly infers directionality for direction-agnostic ticket-types; (3) estimates unlimited ride ticket utilization patterns sufficiently precisely to inform vehicle assignment/scheduling; (4) provides integer outputs without allowing rounding to affect control totals nor introduce artifacts; (5) deals gracefully with cliff-edge changes in demand, like the COVID19 related lockdown; and (6) allocates hourly traffic to each train-start based on passenger choice. Our core idea is that the time of ticket usage is ultimately a function of the time of sale and ticket type, and mutual transformation is made via probability density functions (“patterns”) given sufficient distribution data. We generated pre-COVID daily OD matrices and will eventually extend this work to post-COVID inputs. Results were provided to operations planners using visual and tabular interfaces. These matrices represent data never previously available by any method; prior OD surveys required 100,000 respondents, and even then could neither provide daily nor hourly levels of detail, and could not monitor special event ridership nor specific seasonal travel such as summer Friday afternoons.

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Ahrens, Andrea, Jeffrey Green, Paul Anderson und Linda Postlewaite. „Why Marine Mammals Matter to Your Terrestrial Export Pipeline Project“. In 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33752.

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Increases in export pipeline development can result in a corresponding increase in marine transportation activities and the potential to escalate adverse interactions with marine wildlife. Ship traffic introduces risks of vessel strikes as well as the amount of underwater noise produced in the marine environment. Growing public and scientific concern over the potential effects of increasing ship traffic on marine wildlife mean that even terrestrially-based pipeline projects need to start considering the effects of shipping in developing environmental mitigation programs for their export operations. Northern Gateway is proposing to construct and operate twin pipelines between Alberta and British Columbia, and an associated tank and marine terminal for export operations. While Northern Gateway will not own or operate any of the tankers, they have committed to implementing a comprehensive marine mitigation, monitoring and research program, including measures to reduce ship strikes and effects of underwater noise on marine mammals. Vessel strikes can cause severe or fatal injuries. Higher relative risk exists where shipping traffic overlaps with increased densities of marine mammals. Vessel speed has been positively correlated with the degree of risk and injury; consequently, Northern Gateway has set maximum year-round speed restrictions of 10–12 knots for all Project-related tankers calling at the marine terminal, with further restrictions of 8–10 knots in key areas. Other large vessels in this region currently travel at speeds of 16–21 knots. Mandatory speed restrictions will also reduce the Project’s contribution to underwater noise. Effects of underwater noise on marine mammals include temporary habitat avoidance, reduced feeding efficiency, behavioural change, increased stress, and communication masking. Acoustic modeling conducted for the project predicted that reducing vessel speeds from 15 to 9.6 knots would decrease underwater noise input by nearly 12 dB, making the zone of ensonification 2–3 times smaller than in the absence of mitigations. Purpose-built escort tugs will use best commercially-available noise-quieting technology and speed restriction areas will be refined through six-years of surveys and a quantitative vessel strike analysis. Vessel traffic is not unique to Northern Gateway; however, through minimizing their incremental contribution, they hope to serve as an industry example. This approach to minimizing effects of routine marine export operations is unique in the shipping industry in Canada and the United States. If other proponents were to adopt similar types of measures, Northern Gateway believes that the marine environment would see some net benefits in terms of a reduction in adverse effects on marine mammals.

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Fujiwara, Akimasa, Yoriyasu Sugie und Junyi Zhang. „A Survey and Analysis Method to Evaluate Influence of Pre-Trip Information on Commuter's Travel Choice Behaviour“. In Second International Conference on Transportation and Traffic Studies (ICTTS ). Reston, VA: American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40503(277)116.

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Kajita, Yoshitaka, Takeshi Chishaki, Yuho Kubo und Tomonori Kohara. „Modal Choice Model for Person Trip Survey Considering Mode's Usability for Each Pair of Zones and User's Consciousness“. In International Conference on Traffic and Transportation Studies (ICTTS) 2002. Reston, VA: American Society of Civil Engineers, 2002. http://dx.doi.org/10.1061/40630(255)62.

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Wang, Liqiang, Xiansheng Li und Yuanyuan Ren. „The Method of Survey and Statistics of Passenger Transport Volume in County Highway Networks“. In Seventh International Conference on Traffic and Transportation Studies (ICTTS) 2010. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41123(383)100.

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Deng, Zhongwei, und Minhe Ji. „Deriving Rules for Trip Purpose Identification from GPS Travel Survey Data and Land Use Data: A Machine Learning Approach“. In Seventh International Conference on Traffic and Transportation Studies (ICTTS) 2010. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41123(383)73.

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Li, Shuangshuang. „A survey of urban traffic coordination controls in intelligent transportation systems“. In 2012 IEEE International Conference on Service Operations and Logistics and Informatics (SOLI). IEEE, 2012. http://dx.doi.org/10.1109/soli.2012.6273526.

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Berichte der Organisationen zum Thema "Traffic surveys Transportation"

Thompson, Marshall, und David Lippert. Flexible Pavement Design (Full-depth Asphalt and Rubblization): A Summary of Activities. Illinois Center for Transportation, Juli 2021. http://dx.doi.org/10.36501/0197-9191/21-021.

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This report summarizes activities undertaken to support and ensure that the Illinois Department of Transportation utilizes the best demonstrated available technology for design and construction of full-depth hot-mix asphalt (HMA) pavements and HMA pavements on rubblized Portland cement concrete pavement (PCCP). To achieve this goal, the researchers reviewed pavement design and special provisions for full-depth asphalt and rubblization projects as well as full-depth asphalt and rubblization project performance via condition surveys and deflection measurements. They also modified design inputs as needed from the review of literature and responded to specific issues related to full-depth asphalt and rubblization design and construction. The researchers studied 32 rubblization projects on the interstate system and found this rehabilitation technique is providing good to excellent performance that exceeds design expectations. They provided input on proposed changes to full-depth hot-mix asphalt pavement on rubblized PCCP specifications as well as provided input on the RoadTec 1105e material transfer device. Analysis of traffic speed deflectometer data obtained on several hot-mix asphalt and rubblized pavements resulted in the development of analysis algorithms.

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Adsit, Sarah E., Theodora Konstantinou, Konstantina Gkritza und Jon D. Fricker. Public Acceptance of INDOT’s Traffic Engineering Treatments and Services. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317280.

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As a public agency, interacting with and understanding the public’s perspective regarding agency activities is an important endeavor for the Indiana Department of Transportation (INDOT). Although INDOT conducts a biennial customer satisfaction survey, it is occasionally necessary to capture public perception regarding more specific aspects of INDOT’s activities. In particular, INDOT needs an effective way to measure and track public opinions and awareness or understanding of a select set of its traffic engineering practices. To evaluate public acceptance of specific INDOT traffic engineering activities, a survey consisting of 1.000 adults residing within the State of Indiana was conducted. The survey population was representative in terms of age and gender of the state as of the 2010 U.S. Census. The survey was administered during the months of July and August 2020. Public awareness regarding emerging treatments not currently implemented in Indiana is low and opposition to the same new technologies is prominent. Older or female drivers are less likely to be aware of emerging treatments, and older drivers are more likely to oppose potential implementation of these treatments. Although roundabouts are commonplace in Indiana, multi-lane roundabouts remain controversial among the public. Regarding maintenance and protection of traffic during work zones and considering full or partial roadway closure, public preference is for partial closure; this preference is stronger in rural areas. The public equally agrees and disagrees that INDOT minimizes construction related traffic delays. Approximately 76% of Indiana drivers believe themselves to above average drivers, while an additional 23% believe themselves to be average. Driver perceptions of average highway speeds speed are not aligned with posted speed limit as the perceived average speed on Indiana’s urban freeways and rural and urban state highways is considerably higher than the actual speed limit.

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Lippert, David, Marshall Thompson und Charles Wienrank. Performance of Interstate Rubblization in Illinois. Illinois Center for Transportation, Juli 2021. http://dx.doi.org/10.36501/0197-9191/21-005.

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In Illinois, hot-mix asphalt overlaid concrete pavements typically exhibit reflective cracking of joints and cracks from the pavement below, resulting in shortened life and maintenance issues. Over the years, various patching, fabric, and crack and seat techniques were attempted with few positive results. This led to more aggressive techniques to eliminate the slab action of the concrete pavement where the pavement would be broken or rubblized into pieces typically less than 12 inches. Since the first rubblizing project in 1990, policy, procedures, and specifications have evolved to the point that rubblization is the mainstream option in dealing with problematic concrete pavements. This report summarizes the performance of several interstate rubblizing projects in Illinois by analyzing available data in Illinois Department of Transportation’s pavement management system. Condition rating survey data allowed the serviceability of these projects to be evaluated by surface mix types and asphalt performance grades. Traffic in the form of 18,000 lb equivalent single axle loads was determined for the projects to evaluate fatigue and rutting as well as compare section performance to the design procedure. The research team reviewed plans, design procedures, and specifications to determine best practices and identify where improvements might be made. Data showed that the use of stone matrix asphalt surface mixtures and mixes using PGXX-28 asphalt binders provides improved performance. Overall, rubblizing has shown good to excellent performance. To provide additional life with improved performance, recommendations include adopting softer asphalt grades, increasing the use of stone matrix asphalt, and improving procedures for protecting culverts.

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