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Dissertations / Theses on the topic 'Safety speed'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Ash, Kelly Grant. "Increasing Speed Limit Compliance in Reduced-Speed School Zones." Diss., CLICK HERE for online access, 2006. http://contentdm.lib.byu.edu/ETD/image/etd1271.pdf.

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2

Lund, Victor Kenneth. "The 70-MPH speed limit speed adaptation, spillover and surrogate measures of safety /." [Ames, Iowa : Iowa State University], 2007.

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3

Rundqvist, Elena. "Automatic safety and speed enforcement systems. An economic study." Thesis, Internationella Handelshögskolan, Högskolan i Jönköping, IHH, Nationalekonomi, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-14922.

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There is a debate in Sweden if the Automatic Safety and speed enforcement systems (SSS) in Sweden are profitable or not. Cost benefit analysis (CBA) is an excellent tool for determining the economy of traffic safety measures. The parameters of the CBA in this work include: tire wear, fuel consumption, environmental pollution, saved lives and injuries, reduced material damage, time for disputing tickets, time in traffic lines due to accidents, longer time due to lower speed and collected fines and maintained cost for the SSS. The sensitivity analysis shows that the SSS system appears to be prof

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4

Silvano, Ary P. "Impacts of Speed Limits and Information Systems on Speed Choice from a Safety Perspective." Licentiate thesis, KTH, Trafik och logistik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-133991.

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Driving a vehicle is considered a demanding task in a complex dynamic environment. For instance, driving a vehicle on urban roads, where motorized vehicles meet vulnerable road users (VRUs) creates a multifaceted environment with difficult trade-offs and interactions. Additionally, in-vehicle technology developments are being introduced to ease drivers with the driving task. However, these developments are changing “traditional” driving increasing drivers’ response in terms of information processing, thus making the driving task more demanding in some respects. Therefore, the aim of the presen

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5

Ahmed, Mohamed. "Multi-Level Safety Performance Functions for High Speed Facilities." Doctoral diss., University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5091.

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High speed facilities are considered the backbone of any successful transportation system; Interstates, freeways, and expressways carry the majority of daily trips on the transportation network. Although these types of roads are relatively considered the safest among other types of roads, they still experience many crashes, many of which are severe, which not only affect human lives but also can have tremendous economical and social impacts. These facts signify the necessity of enhancing the safety of these high speed facilities to ensure better and efficient operation. Safety problems could b

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Ota, Shuichiro Daniel. "Assuring safety in high-speed magnetically levitated (maglev) systems : the need for a system safety approach." Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45258.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2008.<br>Includes bibliographical references (p. 141-145).<br>Magnetic levitation is a railway technology that enables vehicles to be magnetically suspended above their tracks. Although this technology is still under development, magnetically levitated (maglev) systems have great potential to introduce significant changes in today's transportation networks. This thesis proposes an approach to assuring safety in high-speed maglev systems. It examines characteristic features of the systems, and analyzes

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Kim, JooHun. "High-speed optics based depth mapping for automated active safety system." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/117859.

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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2016.<br>Cataloged from student-submitted PDF version of thesis.<br>Includes bibliographical references (pages 85-86).<br>The usage of image processing in automotive active safety systems has increased dramatically in the recent decades. Main interest of the digital signal processing has been in the area of communications or networks, but with various advancements in the digital image processing, new type of applications has become possible. The advancement of digital camera technology along with the

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8

Fowkes, Andrew J. "Methods to inform the development of heavy goods vehicle speed limit policy." Thesis, Cranfield University, 1994. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.309691.

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9

Ardic, Eminaga Zerrin. "An Approach To Investigate Relationship Between Speed And Safety On Urban Arterials." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609345/index.pdf.

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Traffic safety is an important problem in today&rsquo<br>s world with increasing number of fatalities and injuries in traffic accidents. For the solution of this problem, determination of accident prone locations on a network and reasons behind is an essential step, which is studied to some extend via different traffic accident analyses in the literature. While major factors affecting accident risk, such as speed, congestion, infrastructural aspects are known, it is still very difficult to figure out the interaction among these factors, due to complexity in the spatial and temporal distributio

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10

Hashim, Ibrahim Hassan. "Safety and the consistency of geometry and speed on rural single carriageways." Thesis, University of Newcastle Upon Tyne, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.431136.

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11

Olufowobi, Oluwaseun Temitope. "The Safety Impact of Raising Speed Limit on Rural Freeways In Ohio." University of Dayton / OhioLINK, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1597014805133206.

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12

Kinzenbaw, Caroline Rachel. "Improving safety for slow-moving vehicles on Iowa's high speed rural roadways." [Ames, Iowa : Iowa State University], 2008.

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13

Comte, Samantha L. "Intelligent speed adaptation : evaluating the possible effects of an innovative speed management system on driver behaviour and road safety." Thesis, University of Leeds, 2001. http://etheses.whiterose.ac.uk/2617/.

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The research reported in this thesis provides a comprehensive safety evaluation of Intelligent Speed Adaptation (ISA) using a range of experimental methodologies. An ISA system can have varying system characteristics but, in general, limits a vehicle to a particular speed (or provides advice about the appropriate speed). This evaluation offers an important contribution to the understanding of a range of issues pertinent to the implementation of such a technology. This thesis reports a series of studies designed to evaluate the effect of ISA on driver behaviour and safety. Each of the studies a

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14

Katz, Bryan Jeffrey. "Peripheral Transverse Pavement Markings for Speed Control." Diss., Virginia Tech, 2007. http://hdl.handle.net/10919/27759.

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In the United States, speeding is considered to be a contributing factor in about 30 percent of fatal crashes (US DOT, 2000). In an attempt to reduce speeds on roadway segments where speed is considered to be a safety concern, various low cost countermeasures have been investigated. Such countermeasures include pavement markings that give a psychological appearance of narrowing and/or increasing speed have been considered as a relatively low-cost treatment. Perceptual cues are one potential method of influencing motorists to slow down, and ultimately, to save lives. These perceptual techni

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Ouedraogo, Nayabtigungu Hendrix. "The Safety Impact of Raising Trucks' Speed Limit on Rural Freeways in Ohio." University of Dayton / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1576248242725121.

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16

Yan, Nannan. "Safe Human Robot Collaboration : By using laser scanners, robot safety monitoring system and trap routine speed control." Thesis, Högskolan Väst, Avdelningen för produktionssystem (PS), 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-9908.

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Nowadays, robot is commonly used to perform automation tasks. With the trend of low volume and customised products, flexible manufacturing is introduced to increase working efficiency and flexibility. Therefore, human robot collaboration plays an important role in automation production and safety should be considered in the design of this kind of robot cell. This work presents the design of safe human robot collaboration by equipping an industrial robot cell with SICK laser scanners, safety monitoring system and trap routine speed control. It also investigates the reliability of RGB-D camera f

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17

Boonsiripant, Saroch. "Speed profile variation as a surrogate measure of road safety based on GPS-equipped vehicle data." Diss., Atlanta, Ga. : Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/28275.

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Thesis (M. S.)--Civil and Environmental Engineering, Georgia Institute of Technology, 2009.<br>Committee Chair: Hunter, Michael; Committee Member: Dixon, Karen; Committee Member: Guensler, Randall; Committee Member: Rodgers, Michael; Committee Member: Tsui, Kwok-Leung.

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18

Borsati, Mattia. "Empirical Essays on Transport and Regional Economics: Safety, Intermodality, and Commuting Dynamics." Doctoral thesis, Università degli studi di Trento, 2020. http://hdl.handle.net/11572/268170.

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The following doctoral thesis, sponsored by Autostrada del Brennero S.p.A. (an Italian highway concession company in charge of managing toll roads) consists on empirical essays at the crossroad between transport and regional economics. They focus on different aspects that directly involve motorways (i.e, safety, intermodality, and commuting dynamics) and they are aimed at providing further evidences that transport institutions and policy makers could take into account throughout their decision-making processes. The first chapter presents a research article that seeks to determine the impact

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Borsati, Mattia. "Empirical Essays on Transport and Regional Economics: Safety, Intermodality, and Commuting Dynamics." Doctoral thesis, Università degli studi di Trento, 2020. http://hdl.handle.net/11572/268170.

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The following doctoral thesis, sponsored by Autostrada del Brennero S.p.A. (an Italian highway concession company in charge of managing toll roads) consists on empirical essays at the crossroad between transport and regional economics. They focus on different aspects that directly involve motorways (i.e, safety, intermodality, and commuting dynamics) and they are aimed at providing further evidences that transport institutions and policy makers could take into account throughout their decision-making processes. The first chapter presents a research article that seeks to determine the impact

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20

Khan, Sameer Ahmad. "Work zone safety intervention: perceptual countermeasure to speeding using synchronized warning lights." Thesis, University of Iowa, 2010. https://ir.uiowa.edu/etd/689.

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A driving simulator study of perceptual countermeasures to speeding is described. Perceptual countermeasures (PC) manipulate the drivers' visual scene to help them moderate their driving speed without a conscious deliberation to do so. The use of synchronized warning lights in work zones as a PC is similar to "aero plane runway lights" flashing towards the diver. Based on the literature survey, this effect was postulated to make drivers think they were driving fast at lower vehicular speeds with lesser speed fluctuations. The effect did not achieve statistical significance in reducing mean spe

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Pezo, Silvano Ary. "Advancing Traffic Safety : An evaluation of speed limits, vehicle-bicycle interactions, and I2V systems." Doctoral thesis, KTH, Transportvetenskap, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-195640.

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Since the introduction of motor vehicles, the number of fatalities and accidents has been a concern for society.The number of fatalities on roads is amongst the most common causes of mortality worldwide (WHO, 2015).Even in industrialized countries the number of fatalities remains unacceptable. Therefore, in the last decades, anumber of approaches have emerged to support and boost traffic safety towards a system free from fatalities andserious impairment outcomes. ‘Sustainable Safety’ and ‘Vision Zero’ are well-known examples aiming to avoidfatalities within the traffic system and reduce injury

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Burgos, Daniel, Eric Wong, and Kurt Weibel. "Impact of Automated Dispensing Technology on Medication Safety and Costs at an Inpatient Pharmacy." The University of Arizona, 2014. http://hdl.handle.net/10150/614205.

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Class of 2014 Abstract<br>Specific Aims: To compare two groups of automated dispensing technology and their impact on medication safety and costs at an inpatient pharmacy. Methods: A total of 784 medications were audited for Pyxis refill errors, 352 prior to and 432 post implementation of Boxpicker and the ATP High Speed Tablet Packager. Data were collected by obtaining refill reports for automated dispensing. Every other medication on the refill report was a

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23

Zaidi, Syed Muhammad Zaier Abbas. "Mobility and safety evaluation of integrated dynamic merge and speed control strategies in work zones." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4613.

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An already calibrated and validated VISSIM model for Simplified Dynamic Lane Merge System (SDLMS) in accordance with the real life work zone was modified with a VSL through Vehicle Actuated Programming (VAP) code. Three different logics were coded each for VSL alone, early SDLMS+VSL and late SDLMS+VSL. All these logics were fine tuned with several test runs before finalizing it for the final simulation. It is found through the simulation of above mentioned scenarios that for low and medium volume levels (V0500, V1000 and V1500), there is no significant difference between the Maintenance of Tra

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24

Novoa, Pardo Ana María. "Effectiveness of road safety interventions in Spain." Doctoral thesis, Universitat Pompeu Fabra, 2010. http://hdl.handle.net/10803/22689.

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Las lesiones por tráfico son un importante problema de salud pública en España. En 2004, el gobierno español estableció la seguridad vial como una prioridad política, y creó el Plan Estratégico de Seguridad Vial 2005-2008, que propone una serie de medidas dirigidas a disminuir el impacto de las lesiones por tráfico en España. Los objetivos de la tesis son revisar las intervenciones de seguridad vial que se han demostrado efectivas en reducir las lesiones y mortalidad por tráfico y evaluar el impacto en morbilidad y mortalidad por tráfico del conjunto de medidas implementadas en España a pa

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25

Makhtoumi, Golnaz. "Human Machine Interface for Low Speed Semi-autonomous Maneuvering." Thesis, KTH, Elektronik- och datorsystem, ECS, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-142670.

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For the drivers of heavy trucks, performing some maneuvers with high precision could be a challenging task even for experienced ones. Volvo has a system which helps drivers in reversing the truck. Developing a human machine interface on a mobile platform with high usability for this system could help drivers to decrease both the stress level and spent time on maneuvering and will result in performing the task easier. This thesis introduces a new area in safety critical systems by combining automation with a mobile platform. An iterative and user centered design process utilized and three main

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26

Almutairi, Omar Eid. "Effect of Traffic Signal Countdown Timers and Speed and Red-Light Cameras on Operation and Safety." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1543840523279126.

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27

Lanzilotta, Edward J. "Dynamic risk estimation : development of the safety state model and experimental application to high-speed rail operation." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/11221.

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28

Dilmore, Jeremy Harvey. "IMPLEMENTATION STRATEGIES FOR REAL-TIME TRAFFIC SAFETY IMPROVEMENTS ON URBAN FREEWAYS." Master's thesis, University of Central Florida, 2005. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3254.

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This research evaluates Intelligent Transportation System (ITS) implementation strategies to improve the safety of a freeway once a potential of a crash is detected. Among these strategies are Variable Speed Limit (VSL) and ramp metering. VSL are ITS devices that are commonly used to calm traffic in an attempt to relieve congestion and enhance throughput. With proper use, VSL can be more cost effective than adding more lanes. In addition to maximizing the capacity of a roadway, a different aspect of VSL can be realized by the potential of improving traffic safety. Through the use of multiple m

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29

Almonte, Valdivia Ana Maria. "Level-of-service and traffic safety relationship an exploratory analysis of signalized intersections and multilane high-speed arterial corridors /." Orlando, Fla. : University of Central Florida, 2009. http://purl.fcla.edu/fcla/etd/CFE0002615.

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30

Peng, Haolei. "Effects of two-way left-turn lane on roadway safety." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000289.

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31

Allaby, Peter. "An Evaluation of the Safety and Operational Impacts of a Candidate Variable Speed Limit Control Strategy on an Urban Freeway." Thesis, University of Waterloo, 2006. http://hdl.handle.net/10012/2880.

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Variable Speed Limit Sign (VSLS) systems enable transportation managers to dynamically change the posted speed limit in response to prevailing traffic and/or weather conditions. VSLS are thought to improve safety and reduce driver stress while improving traffic flow and travel times. Although VSLS have been implemented in a limited number of jurisdictions throughout the world, there is currently very limited documentation describing the quantitative safety and operational impacts. The impacts that have been reported are primarily from systems in Europe, and may not be directly transfera

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Chevalier, Anna. "In-vehicle monitoring to investigate older drivers’ speeding and rapid deceleration behaviour." Thesis, The University of Sydney, 2016. http://hdl.handle.net/2123/15941.

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This study sought to monitor driving of 380 drivers aged 75+ yrs for a week and 190 for up to a year. Volunteers’ vehicles were instrumented to monitor speed, distance and deceleration. Participants undertook cognitive and visual assessments at baseline and 12 months. We examined drivers’ involvement in speeding events (averaged over 30s), and rapid deceleration events (RDEs) (>750milli-g) for 362 vehicles (182 over 12 months). We used two safety outcomes: speeding as this increases crash risk and injury severity, and RDEs as an indicator of a near crash. We examined how measures of cognitive

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33

Soole, David William. "The relationship between drivers’ perceptions toward police speed enforcement and self-reported speeding behaviour." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/54400/1/David_William_Soole__Thesis.pdf.

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Exceeding the speed limit and driving too fast for the conditions are regularly cited as significant contributing factors in traffic crashes, particularly fatal and serious injury crashes. Despite an extensive body of research highlighting the relationship between increased vehicle speeds and crash risk and severity, speeding remains a pervasive behaviour on Australian roads. The development of effective countermeasures designed to reduce the prevalence of speeding behaviour requires that this behaviour is well understood. The primary aim of this program of research was to develop a better und

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34

Almonte-Valdivia, Ana. "Level-of-Service and Traffic Safety Relationship: An Exploratory Analysis of Signalized Intersections and Multiland High-Speed Arterial Corridors." Master's thesis, University of Central Florida, 2009. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3372.

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Since its inception in 1965, the Level-of-Service (LOS) has proved to be an important and practical "quality of service" indicator for transportation facilities around the world, widely used in the transportation and planning fields. The LOS rates these facilities' traffic operating conditions through the following delay-based indicators (ordered from best to worst conditions): A, B, C, D, E and F. This LOS rating has its foundation on quantifiable measures of effectiveness (MOEs) and on road users' perceptions; altogether, these measures define a LOS based on acceptable traffic operating cond

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Cunningham, Ryan. "EXAMINING DYNAMIC VARIABLE SPEED LIMIT STRATEGIES FOR THE REDUCTION OF REAL-TIME CRASH RISK ON FREEWAYS." Master's thesis, University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/3117.

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Recent research at the University of Central Florida involving crashes on Interstate-4 in Orlando, Florida has led to the creation of new statistical models capable of determining the crash risk on the freeway (Abdel-Aty et al., 2004; 2005, Pande and Abdel-Aty, 2006). These models are able to calculate the rear-end and lane-change crash risks along the freeway in real-time through the use of static information at various locations along the freeway as well as the real-time traffic data obtained by loop detectors. Since these models use real-time traffic data, they are capable of calculating re

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Tamara, André, Bryan Arce, Luis Arauzo, and Carlos Raymundo. "Optimized pre-splitting model in controlled blasting to improve the speed of the slopes in the open pit mine in Perú." International Institute of Informatics and Systemics, IIIS, 2019. http://hdl.handle.net/10757/656293.

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El texto completo de este trabajo no está disponible en el Repositorio Académico UPC por restricciones de la casa editorial donde ha sido publicado.<br>Presplitting is a controlled-blasting technique with applications in open-pit mines. The main purpose of this technique is to prevent and control overbreaks caused by excessive vibrations due to blasting. This technique is especially effective in controlling overbreaks because it provides a separation surface between the main blasting pattern and the walls of the final slopes. The drilling mesh and loading conditions in the drill are designed i

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Marques, Novo Francisco José, and Rézio Henrique Manuel Saraiva. "FE safety analysis of a high speed wood planer cutter. An alternative method to achieve the requirements of EN847 standard." Thesis, Linköping University, Department of Mechanical Engineering, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1849.

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<p>In the last decades, high speed cutting has become an attractive technology in the wood industry. The possibility of reducing global costs in addiction with an increase in productivity, were the main reasons for the enlargement of the use of this technology. </p><p>As usual, these advantages are accompanied by disadvantages that should be carefully analyzed. If on the one hand cutting forces are reduced with increasing cutting speeds, on the other hand, the centrifugal forces affecting the tool are higher. Exposed to such high loads, there is a considerable risk of tool failure that embeds

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Angel, Michelle L. "The Effects of Rain on Traffic Safety and Operations on Florida Freeways." UNF Digital Commons, 2014. http://digitalcommons.unf.edu/etd/529.

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Although the association between weather and traffic variables or crash events appear intuitive to motorists, quantifying the effects that weather, especially rain, has on driver response in travel speeds, traffic demands, and susceptibility of accident occurrence is needed to evaluate practical aspects of traffic operations and safety measures. Previous studies have researched driver responses to inclement weather on roadways located primarily in northern and western regions of the United States (U.S.), Canada, and Europe. However, driver familiarity to local weather conditions is a factor th

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Becci, Simone. "Feasibility, requirements and preliminary assessment of e-horizon driven speed targeting algorithms, for enhanced Adaptive Cruise Control." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021. http://amslaurea.unibo.it/23435/.

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According to the report from the EU,every year more than 40 000 lives are lost in a road accident. More than 90% of accidents are caused by human error. Advance Driver-Assistance Systems (ADAS) can help drivers to avoid these accidents or at least to reduce the consequence. Such systems use a multitude of sensors to perceive the environment around the vehicle,and act consequently. In the future, cars will be a part of an intelligent transport system where all players are connected. With these abilities, an electronic horizon is created pushing forward the sensor range. Information regarding tr

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Schumacher, Florian Immanuel. "Análise custo-benefício de ondulações transversais e redutores eletrônicos de velocidade no Brasil." Universidade de São Paulo, 2015. http://www.teses.usp.br/teses/disponiveis/11/11132/tde-08042015-152433/.

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Dado o grande impacto econômico e social dos acidentes de trânsito no Brasil, a eficácia comprovada de medidas de controle de velocidade em reduzir acidentes de trânsito, o uso frequente de algumas dessas medidas no Brasil, a falta de estudos sobre o impacto econômico dessas medidas no Brasil e a especificidade regional das análises de custo-benefício, o objetivo deste estudo é fazer uma avaliação econômica das intervenções de segurança viária ondulação transversal e redutor eletrônico de velocidade no Brasil. Desenvolve-se um método para avaliar o custo-benefício destas intervenções de segura

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Ranft, Cornelius Jacobus Gerhardus. "Mechanical design and manufacturing of a high speed induction machine rotor / Cornelius Ranft." Thesis, North-West University, 2010. http://hdl.handle.net/10394/4940.

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The McTronX research group at the North–West University designs and develops Active Magnetic Bearings (AMBs). The group’s focus shifted to the design and development of AMB supported drive systems. This includes the electromagnetic and mechanical design of the electric machine, AMBs, auxiliary bearings as well as the development of the control system. The research group is currently developing an AMB supported high speed Induction Machine (IM) drive system that will facilitate tests in order to verify the design capability of the group. The research presented in this thesis describes the mecha

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Chilakapati, Praveen. "DRIVING SIMULATOR VALIDATION AND REAR-END CRASH RISK ANALYSIS AT A SIGNALISED INTERSECTION." Master's thesis, University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2925.

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In recent years the use of advanced driving simulators has increased in the transportation engineering field especially in evaluating safety countermeasures. The driving simulator at UCF is a high fidelity simulator with six degrees of freedom. This research aims at validating the simulator in terms of speed and safety with the intention of using it as a test bed for high risk locations and to use it in developing traffic safety countermeasures. The Simulator replicates a real world signalized intersection (Alafaya trail (SR-434) and Colonial Drive (SR-50)). A total of sixty one subjects of ag

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Caleffi, Felipe. "Proposição de um método de harmonização da velocidade baseado em modelo de previsão de conflitos veiculares." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2018. http://hdl.handle.net/10183/179552.

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Técnicas como a harmonização da velocidade procuram gerir e controlar o tráfego com base nas condições de tráfego das rodovias em tempo real. A harmonização da velocidade utiliza limites de velocidade variáveis (L.V.V.) para fornecer aos condutores uma velocidade de operação mais apropriada, normalmente inferior ao limite de velocidade estático indicado, em resposta as condições dinâmicas das vias. O L.V.V. tem demonstrado capacidade de melhorar a mobilidade e a segurança nas rodovias. Com isso, modelos de avaliação de risco de colisão em tempo real são frequentemente adotados para quantificar

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Etika, Anderson Aja. "Developing an effective speed limit compliance intervention for Nigerian drivers : a study of drivers who work in a fleet company with strong safety culture." Thesis, University of Leeds, 2018. http://etheses.whiterose.ac.uk/22368/.

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Travelling at illegal and/or inappropriate speed continues to be the single biggest factor in road traffic crashes and fatalities in Nigeria. Existing evidence suggests that drivers, particularly those who work in companies with a strong safety culture exhibit different sets of speeding attitudes and behaviours in work and private driving. This research is based on the premise stated above, and the lack of speed-related research in Nigeria. Using Ajzen's Theory of Planned Behaviour (TPB: Ajzen, 1991), this thesis investigates the socio-cognitive determinants of speeding behaviour of drivers' i

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HAZOOR, ABRAR. "(Provisional) Development and Implementation of a Novel Intelligent Speed Adaptation System Based on Sight Distance." Doctoral thesis, Politecnico di Torino, 2022. https://hdl.handle.net/11583/2973432.

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Pettersson, Marie. "Konflikter på gång och cykelbana. : Ett skadepreventivt perspektiv." Thesis, Karlstads universitet, Fakulteten för samhälls- och livsvetenskaper, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-6392.

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Att vistas på gång- och cykelbanor kan vara en situation som upplevs som otrygg av de oskyddade trafikanterna som delar på detta utrymme. Samexistens och hänsyn till medtrafikanter är av vikt för att minska konflikter och skador som uppstår i denna miljö. En anledning till konflikter mellan fotgängare och cyklister är den höga hastigheten som cyklister kan färdas i. Denna hastighet skapar otrygghet bland fotgängare samt hos de cyklister som färdas i ett långsammare tempo. Otryggheten, beteende hos de båda trafikantgrupperna samt hastigheten leder i vissa fall till konflikter med kollisioner oc

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Allahvirdizadeh, Reza. "Reliability-Based Assessment and Optimization of High-Speed Railway Bridges." Licentiate thesis, KTH, Bro- och stålbyggnad, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-301318.

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Increasing the operational speed of trains has attracted a lot of interest in the last decades and has brought new challenges, especially in terms of infrastructure design methodology, as it may induce excessive vibrations. Such demands can damage bridges, which in turn increases maintenance costs, endangers the safety of passing trains and disrupts passenger comfort. Conventional design provisions should therefore be evaluated in the light of modern concerns; nevertheless, several previous studies have highlighted some of their shortcomings. It should be emphasized that most of these studies

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Downey, Matthew Blake. "Evaluating the Effects of a Congestion and Weather Responsive Advisory Variable Speed Limit System in Portland, Oregon." PDXScholar, 2015. https://pdxscholar.library.pdx.edu/open_access_etds/2397.

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Safety and congestion are ever present and increasingly severe transportation problems in urban areas throughout the nation and world. These phenomena can have wide-ranging consequences relating to safety, the economy, and the environment. Adverse weather conditions represent another significant challenge to safety and mobility on highways. Oregon is not immune from either of these global issues. Oregon Route (OR) 217, to the southwest of the downtown Portland, is one of the worst freeways for congestion in the state and is also subject to the Pacific Northwest's frequently inclement and unpre

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Morgan, Eric A. "Analysis of high-speed vessels for Seventh Fleet logistics support." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2005. http://library.nps.navy.mil/uhtbin/hyperion/05Mar%5FMorgan%5FEric.pdf.

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Maciel, Elton Tavares. "Estudo dos Impactos da OndulaÃÃo Transversal nas Velocidades Veiculares em Trechos ViÃrios Urbanos." Universidade Federal do CearÃ, 2010. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=5124.

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Nas ultimas dÃcadas, as principais cidades brasileiras tÃm sofrido problemas com o nÃvel de mobilidade urbana, resultado do uso indiscriminado dos automÃveis, por altas freqÃÃncias de viagens diÃrias, e espaÃos viÃrios deficitÃrios. Assim, a demanda por viagens entra em conflito, ocasionando um desequilÃbrio traduzido em diversos problemas como poluiÃÃo atmosfÃrica, acidentes de trÃnsitos e altos Ãndices de congestionamentos. Os motoristas buscam minimizar o tempo de viagem, evitando as vias principais com altos Ãndices de congestionamento, passando a utilizar as vias coletoras ou loc

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