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Статті в журналах з теми "Lane-by-lane travel time"

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Inchul, Yang, and Hoon Jeon Woo. "A STUDY TO ANALYZE LANE-BY-LANE TRAVEL TIME CHARACTERISTICS." GLOBAL JOURNAL OF ENGINEERING SCIENCE AND RESEARCHES 4, no. 11 (2017): 112–16. https://doi.org/10.5281/zenodo.1065900.

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This study aims to develop a tool equipped in a vehicle for observing the lane-wise travel time and to analyze the lane-by-lane travel time using the data from the developed tool. For this purpose we developed a vehicle-attachable lane-wise traffic observing device, named TTMon which is capable of recording the vehicle trajectories as well as the video data of driving environment.  Two probe vehicles equipped with TTMon drove the Gangbyun highway from Sungsan-bridge to Dongho-bridge keeping each lane, one for the median lane and the other for the center lane.  With the vehicle trajec
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Talebpour, Alireza, Hani S. Mahmassani, and Amr Elfar. "Investigating the Effects of Reserved Lanes for Autonomous Vehicles on Congestion and Travel Time Reliability." Transportation Research Record: Journal of the Transportation Research Board 2622, no. 1 (2017): 1–12. http://dx.doi.org/10.3141/2622-01.

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Autonomous vehicles are expected to influence daily travel significantly. Despite autonomous vehicles’ potential to enhance safety and to reduce congestion, energy consumption, and emissions, many studies suggest that the system-level effects will be minimal at low market penetration rates. Introducing reserved lanes for autonomous vehicles is one potential approach to address this limitation because these lanes increase autonomous vehicles’ density. However, preventing regular vehicles from using specific lanes can significantly increase congestion in other lanes. Accordingly, this study expl
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Guo, Xiaoyu, Yongxin Peng, Sruthi Ashraf, and Mark W. Burris. "Performance Analyses of Information-Based Managed Lane Choice Decisions in a Connected Vehicle Environment." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 11 (2020): 120–33. http://dx.doi.org/10.1177/0361198120940311.

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Connected vehicle (CV) technology can connect, communicate, and share information between vehicles, infrastructure, and other traffic management systems. Recent research has examined and promoted CV and connected automated vehicle (CAV) technology on managed lane systems to increase capacity and reduce congestion, as managed lane systems could be equipped with advanced infrastructure relatively quickly. However, the effect on travel considering, information-based managed lane choice decisions in a CV environment is not clear. Therefore, this research analyzed the potential effects on a managed
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Truong, Long Tien, Majid Sarvi, and Graham Currie. "Exploring Multiplier Effects Generated by Bus Lane Combinations." Transportation Research Record: Journal of the Transportation Research Board 2533, no. 1 (2015): 68–77. http://dx.doi.org/10.3141/2533-08.

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Numerous studies have explored design and evaluation of bus lane priority by using empirical, analytical, and simulation approaches. However, none attempted to understand how different bus lane combinations, such as continuous and discontinuous bus lane sections, and a different number of bus lane sections, affect bus performance and general traffic. This paper investigates operational effects of bus lane combinations to establish whether multiple bus lane sections create a multiplier effect in which a series of continuous bus lane sections creates more benefits than several single-lane sectio
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Szarata, Mateusz, Piotr Olszewski, and Lesław Bichajło. "Simulation Study of Dynamic Bus Lane Concept." Sustainability 13, no. 3 (2021): 1302. http://dx.doi.org/10.3390/su13031302.

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Not many publications are available on using microsimulation models to analyze the feasibility of implementing the dynamic bus lane (DBL) concept. The paper presents the methodology and calibration process used for DBL modeling. For the selected four sites in Rzeszów (Poland), three options were analyzed: no bus lane, standard exclusive bus lane (XBL), and dynamic bus lane. The analyses were carried out using PTV Vissim software with an additional logic script to control the DBL activation. Simulation model parameters were calibrated using a genetic algorithm. The final assessment of individua
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Zhou, Guiliang, Lina Mao, Pengsen Hu, Feng Sun, and Xu Bao. "Research on HOV Lane Priority Dynamic Control under Connected Vehicle Environment." Journal of Advanced Transportation 2020 (August 8, 2020): 1–12. http://dx.doi.org/10.1155/2020/8892859.

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Анотація:
The optimization of high-occupancy vehicle (HOV) lane management can better improve the efficiency of road resources. This paper first summarized the current research on HOV lane implementation and analyzed and identifies the threshold of setting road HOV lane dynamic control under the connected vehicle environment. Then, the HOV lane priority dynamic control process was determined, and the operating efficiency and energy consumption evaluation method was proposed. Moreover, a case study in Wuxi City, China, was carried out. The results showed that, after implementing the HOV lane priority dyn
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Subraveti, Hari Hara Sharan Nagalur, Victor L. Knoop, and Bart van Arem. "Improving Traffic Flow Efficiency at Motorway Lane Drops by Influencing Lateral Flows." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 11 (2020): 367–78. http://dx.doi.org/10.1177/0361198120948055.

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Анотація:
Lane drops are a common bottleneck source on motorway networks. Congestion sets in upstream of a lane drop as a result of the lane changing activity of merging vehicles. This causes the queue discharge rate at the bottleneck to decrease and drop below the capacity, leading to capacity drop and further congestion. The objective of this study is to minimize the total travel time of the system by controlling lateral flows upstream of the lane drop. This is equivalent to maximizing the exit flows at the bottleneck. An optimization problem is formulated for a 3–2 lane drop section with high inflow.
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Gao, Gao, Zhengfeng Huang, Wei Ji, and Pengjun Zheng. "Optimal Mandatory Lane-Changing Location Planning for CAV Based on Cell Transmission Model." Journal of Advanced Transportation 2024 (March 30, 2024): 1–19. http://dx.doi.org/10.1155/2024/9411726.

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Анотація:
If dedicate a lane to connected autonomous vehicle (CAV) on a multilane road, the traffic congestion and safety risks remain a major problem but in a different style. Random and disorderly mandatory lane-changing behaviour before approaching the next ramp or intersection would have a disturbing effect on the following vehicles of the traffic flow. This paper mainly establishes the optimal mandatory lane-changing location matching model for each target vehicle in the dedicated CAV lane environment. The aim is to minimizing the total travel time, which could take the disturbing effect into accou
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Abir, A. K. M., Mark W. Burris, and Clifford Spiegelman. "The Value of Travel Time and Reliability: Empirical Evidence from Katy Freeway." Transportation Research Record: Journal of the Transportation Research Board 2606, no. 1 (2017): 71–78. http://dx.doi.org/10.3141/2606-10.

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Анотація:
Travelers place value on both time savings and reliability when choosing a route for a trip. The value of travel time (VOT) has long been an integral part of the appraisal of transport projects. Recently, some transport planners have been incorporating the value of travel time reliability (VOR) as well. This research used data generated by automated vehicle identification sensors from Katy Freeway travelers in Houston, Texas, to estimate VOT and VOR based on revealed preferences of these travelers. Lane choice models were developed to examine the factors influencing travelers’ lane choice deci
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Gupta, Shiva P., Urmila Pyakurel, and Tanka Nath Dhamala. "Optimal Reconfiguration of Network with Variant Transmission Times on Arcs." Nepali Mathematical Sciences Report 40, no. 1-2 (2023): 11–33. http://dx.doi.org/10.3126/nmsr.v40i1-2.61492.

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Contraflow means lane reversals on networks. In lane reversal reconfiguration, the capacity of the arc increases by reorienting arcs towards demand nodes, which maximizes the flow value and reduces the travel time. In this work, we survey the existing pieces of literature on single and multi-commodity contraflow problems with symmetric and asymmetric travel times on parallel but oppositely oriented edges. Many illustrations are included to support the main results.
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Дисертації з теми "Lane-by-lane travel time"

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Pannu, Mandeep S. "Managed Lane Choices by Carpools Comprised of Family Members Compared to Non-family Members." 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-12-7445.

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Анотація:
Carpools can be comprised of family members (fampools), non-family members (non-fampools) or a combination of both. Overall, carpool mode share has decreased during the 1980's and 1990's, even as the policies were in place to encourage carpooling, but at the same time the share of fampools increased quite significantly. By analyzing the characteristics of fampools and non-fampools, we can better understand how policies may impact each group. One area of particular interest is the impact of managed lanes on the mode choice of fampools and non-fampools. For this research, survey data collected f
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Книги з теми "Lane-by-lane travel time"

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Rosenbaum, Robert A. Waking to Danger. ABC-CLIO, LLC, 2010. http://dx.doi.org/10.5040/9798216033349.

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This intriguing study is the first comprehensive survey of American public opinion about Nazi Germany in the prewar years. The 1930s were years when Americans struggled to define their country’s role in a dangerous world. Opinions were deeply divided and passionately held. Waking to Danger: Americans and Nazi Germany, 1933-1941 traces the evolution of American public opinion about Germany as it spiraled from ignorance and isolationism to a sense of danger and interventionism. This brief, but broad survey fills a gap in the historical literature by bringing together, for the first time, the rea
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Jones, Randy, and Mark Bego. Macho Man. Greenwood Publishing Group, Inc., 2008. http://dx.doi.org/10.5040/9798400681110.

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The Vietnam War was over and America seemed in the midst of a nationwide party. The self-proclaimed Me generation was flocking to discotheques, recreational drug use was high, and sexual taboos were being shattered nationwide. Then The Village People appeared on the music scene. Never before had gay sexuality been as up-front and in the face of America. The Village People struck a cultural nerve and fueled a craze that had them playing to sold-out crowds at Madison Square Garden. Even today, few adults could not at least hum the tunes toY.M.C.A.andMacho Man. Because of the unique role they pla
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Частини книг з теми "Lane-by-lane travel time"

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Duckert, Lowell. "Speaking Stones, John Muir, and a Slower (Non)Humanities." In Animal, Vegetable, Mineral. punctum books, 2012. https://doi.org/10.21983/p3.0006.1.12.

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By the time you arrive at this point in the collection, you will have realized that the essays herein demand a slow reading. Perfect: the practice of tracing con-nections between actors, slowly, as Bruno Latour’s ant (or ANT, short for Actor Network Theory) would tell us, is the way to go. According to Latour’s self-defined “slowciology,” we are to follow the actors themselves—examining the relationships they assemble, interrupt, or disturb. Latour’s process is “agonizingly slow” by necessity.2 Yet in writing my response, I find myself running down a fast lane. The time when these authors firs
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2

Rajendran, Sindhu, Shreya S., Alaska Tengli, and Ramavenkateswaran N. "Cyber Physical Systems in Autonomous and Unmanned Aerial Vehicles." In Cyber Physical Systems - Advances and Applications. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815223286124010006.

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In today’s world, the demand for autonomous and unmanned aerial vehicles is rapidly growing with applications in many domains. These autonomous vehicles have potential advantages like – a reduction in traffic deaths by 90%, a drop in harmful emissions by 60%, an improvement in fuel economy by 10%, an increase in lane capacity by 500%, a reduction in travel time by 40%, an increase in transportation accessibility and a reduction in transportation costs. Similarly, UAVs have advantages like- traffic monitoring, moving objects in seemingly dangerous environments, payload delivery and surveillance
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Maaroufi, Mohammed Mouhcine, Laila Stour, and Ali Agoumi. "A New Approach of Smart Mobility for Heavy Goods Vehicles in Casablanca." In Intelligent Environments 2021. IOS Press, 2021. http://dx.doi.org/10.3233/aise210086.

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Managing mobility, both of people and goods, in cities is a thorny issue. The travel needs of urban populations are increasing and put pressure on transport infrastructure. The Moroccan cities are no exception and will struggle, in the short term, to respond to the challenges of the acceleration of the phenomenon of urbanization and the increase in demand for mobility. This will inevitably prevent them from turning into smart cities. The term smart certainly alludes to better use of technologies, but smart mobility is also defined as “a set of coordinated actions intended to improve the effici
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Тези доповідей конференцій з теми "Lane-by-lane travel time"

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Boggess, Brian M., Harold H. Ralston, Dusty A. Boyd, et al. "Lane Change Dynamics of a Commercial Tractor-Trailer." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11479.

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Abstract A number of vehicle-to-vehicle accidents occur as a result of significant differentials in speed and lane changes between traffic in laterally offset lane positions. These analyses can include many scenarios. One typical scenario is the merging of an articulated commercial vehicle from a roadway shoulder or on-ramp into a travel lane at a relatively low speed compared to the posted speed limit and/or actual travel speed of established lane traffic. Collisions arising during such events often involve less than full engagement between the vehicles and are complicated by the extended len
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Guduri, Balachandar, and Robert Llaneras. "Lane Change Conflict Analysis of Camera Based Side-View Systems." In Symposium on International Automotive Technology. SAE International, 2024. http://dx.doi.org/10.4271/2024-26-0015.

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<div class="section abstract"><div class="htmlview paragraph">The recent progress in camera-based technologies has prompted the development of prototype camera-based video systems, intended to replace conventional passenger vehicle mirrors. Given that a significant number of collisions during lane changes stem from drivers being unaware of nearby vehicles, these camera-based systems offer the potential to enhance safety. By affording drivers a broader field of view, they facilitate the detection of potential conflicts. This project was focused on analyzing naturalistic driving data
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Calderas Volcanes, Rubén José, and Emilio Germán Moreno González. "MISUSE OF SPEED-BUMPS ON TWO-LANE MAIN RURAL ROADS. A GENERALIZED PRACTICE IN VENEZUELA." In CIT2016. Congreso de Ingeniería del Transporte. Universitat Politècnica València, 2016. http://dx.doi.org/10.4995/cit2016.2016.2255.

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Settlements of uncontrolled population on side of road in Venezuela originate the excessive use of traffic speed reducers to mitigate accidents. Misuse of these speed control devices generate problem of functionality in the two-lane main rural roads which requires to be studied to demonstrate its effect on the capacity and level of service. Although other factors may occur (i.e, environmental problems and health), the disproportionate use of speed-bumps worsens circulation quality by increase of travel time as most sensitive parameter. Where this effect not can be reversed it should be made ef
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4

Medawatte, M. P. V. P., H. L. K. Perera, A. B. Jayasinghe, and K. A. S. N. Sumathipala. "Evaluation of machine learning models for bus travel time prediction." In Transport Research Forum 2024. Transportation Engineering Group, Department of Civil Engineering, University of Moratuwa, 2024. https://doi.org/10.31705/trf.2024.2.

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Accurate real-time bus arrival information is essential for an efficient public transport network, as it significantly impacts passenger experience, system reliability, reduced waiting times, dwell times, and operational efficiency. In Sri Lanka's public transport system, current bus arrival time computations primarily rely on static data, neglecting real-time information and critical factors influencing travel times. This highlights the need to identify the unique variables affecting bus arrival times within the Sri Lankan context and to develop robust prediction models that account for these
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Shao, Yunli, and Jackeline Rios-Torres. "Traffic Prediction for Merging Coordination Control in Mixed Traffic Scenarios." In ASME 2020 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dscc2020-3219.

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Abstract Connected and autonomous vehicles (CAVs) have the potential to bring in safety, mobility, and energy benefits to transportation. The control decisions of CAVs are usually determined for a look-ahead horizon based on previewed traffic information. This requires an effective prediction of future traffic conditions and its integration with the CAV control framework. However, the short-term traffic prediction using information from connectivity is a challenging research topic, especially for mixed traffic scenarios. This work focuses on the development of a traffic prediction framework fo
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Yang, Lisheng, Tomonari Furukawa, Lei Zuo, and Zachary Doerzaph. "Control Design for Automated Vehicle Emergency Safe Stop System Based on Differential Dynamic Programming." In ASME 2020 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/dscc2020-3286.

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Abstract This paper presents the control algorithm and system design for a newly proposed automated emergency stop system, which aims to navigate the vehicle out of its travel lane to a safe road-side location when an emergency (e.g. driver fails to take control during fallback of the Dynamic Driving Task) occurs. To address the unique requirements of such a system, control techniques based on differential dynamic programming are developed. Optimal control sequence computation is broken down into step-by-step quadratic optimization and solved iteratively. Control constraints are addressed effi
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Nousch, Tobias, Runhao Zhou, Django Adam, Angelika Hirrle, and Meng Wang. "A Deep Reinforcement Learning Approach for Dynamic Traffic Light Control with Transit Signal Priority." In 4th Symposium on Management of Future Motorway and Urban Traffic Systems. Technische Universität Dresden, 2022. http://dx.doi.org/10.25368/2023.108.

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Traffic light control (TLC) with transit signal priority (TSP) is an effective way to deal with urban congestion and travel delay. The growing amount of available connected vehicle data offers opportunities for signal control with transit priority, but the conventional control algorithms fall short in fully exploiting those datasets. This paper proposes a novel approach for dynamic TLC with TSP at an urban intersection. We propose a deep reinforcement learning based framework JenaRL to deal with the complex real-world intersections. The optimisation focuses on TSP while balancing the delay of
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Takiyama, Takeshi, and Jinichi Fujita. "Real-time Trajectory Planning and Vehicle Control for Automated Turning Traveling to the Specified Exit Point." In FISITA World Congress 2021. FISITA, 2021. http://dx.doi.org/10.46720/f2020-acm-069.

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Анотація:
Turning is necessary for a traveling vehicle when changing lanes or avoiding obstacles. Furthermore, indicating the trajectory or exit point of turning is obviously necessary for safety in autonomous driving. A mathematical restriction in the running area or a potential function was much reported for these purposes. However, the parameter setting of these methods is very complex. Furthermore, confirming the direction of the moving vehicle is necessary. Clothoid curve is a well-known trajectory to slacken the sudden change in curvature from straight direction to turning. It is also well known t
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Costantino, Trentalessandro, Federico Miretti, and Ezio Spessa. "Improving the Feasibility of Electrified Heavy-Duty Truck Fleets with Dynamic Wireless Power Transfer." In 16th International Conference on Engines & Vehicles. SAE International, 2023. http://dx.doi.org/10.4271/2023-24-0161.

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<div class="section abstract"><div class="htmlview paragraph">This study assesses the capabilities of dynamic wireless power transfer with respect to range extension and payload capacity of heavy-duty trucks. Currently, a strong push towards tailpipe CO<sub>2</sub> emissions abatement in the heavy-duty transport sector by policymakers is driving the development of battery electric trucks. Yet, battery-electric heavy-duty trucks require large battery packs which may reduce the payload capacity and increase dwell time at charging stations, negatively affecting their accep
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Wright, Matthew A., Roberto Horowitz, and Alex A. Kurzhanskiy. "A Dynamic-System-Based Approach to Modeling Driver Movements Across General-Purpose/Managed Lane Interfaces." In ASME 2018 Dynamic Systems and Control Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/dscc2018-9125.

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Анотація:
To help mitigate road congestion caused by the unrelenting growth of traffic demand, many transportation authorities have implemented managed lane policies, which restrict certain freeway lanes to certain types of vehicles. It was originally thought that managed lanes would improve the use of existing infrastructure through demand-management behaviors like carpooling, but implementations have often been characterized by unpredicted phenomena that are sometimes detrimental to system performance. The development of traffic models that can capture these sorts of behaviors is a key step for helpin
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Звіти організацій з теми "Lane-by-lane travel time"

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Deng, Zhuohang, Zhiliang Luo, Neil Hockaday, Ahmed Farid, and Anurag Pande. Evaluation of Left Shoulder as Part-Time Travel Lane Design Alternatives and Transportation Management Center Staff Training Module Development. Mineta Transportation Institute, 2023. http://dx.doi.org/10.31979/mti.2023.2153.

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Анотація:
Permanent capacity expansion, such as adding new lanes, is no longer a viable strategy to address traffic congestion in California; hence, ITS (Intelligent Transportation System) strategies, such as part-time use of the shoulder as a travel lane, need to be explored. The use of the shoulder as a travel lane during peak traffic hours has limited applications in the US, and most use the right shoulder as a part-time travel lane even though either the right or left shoulder (but not both) may be used. Caltrans District 5 is exploring the use of Left Shoulder as a Part-time Travel Lane (LSPTTL) as
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Nafakh, Abdullah Jalal, Yunchang Zhang, Sarah Hubbard, and Jon D. Fricker. Assessment of a Displaced Pedestrian Crossing for Multilane Arterials. Purdue University, 2021. http://dx.doi.org/10.5703/1288284317318.

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Анотація:
This research explores the benefits of a pedestrian crosswalk that is physically displaced from the intersection, using simulation software to estimate the benefits in terms of delay and pedestrian travel time. In many cases, the displaced pedestrian crossing may provide benefits such as reduced vehicle delay, reduced crossing distance, increased opportunity for signal progression, and reduced conflicts with turning vehicles. The concurrent pedestrian service that is traditionally used presents potential conflicts between pedestrians and three vehicular movements: right turns, permissive left
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Jacobsen, Nils. Linjebussens vekst og fall i den voksende byen: en studie av bybussenes geografiske kvalitet Stavanger – Sandnes 1920 – 2010. University of Stavanger, 2019. http://dx.doi.org/10.31265/usps.244.

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Анотація:
Linear city bus services are facing increased challenges from city growth. Increased number of inhabitants on increasing acres of built-up areas, makes it demanding to maintain adequate bus services within reasonable catchment areas. Number of departures per hour give a partial description of the bus service quality. Number of departures give reference to the time aspect of bus service quality, but say nothing about the geographical aspect. What part of the entire line network is within reach of direct bus service when frequencies are limited? To address the geographical aspect of bus service
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Sakhare, Rahul Suryakant, Jairaj Desai, Jijo K. Mathew, John McGregor, Mischa Kachler, and Darcy M. Bullock. Measuring and Visualizing Freeway Traffic Conditions: Using Connected Vehicle Data. Purdue University, 2024. http://dx.doi.org/10.5703/1288284317751.

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Анотація:
Historically, a network of roadside sensors and cameras have been used to monitor freeway conditions. Although these systems are effective, they are typically not operational in and around work zones. Furthermore, it is often not financially viable to deploy in-road sensors and cameras in rural areas. Connected vehicle trajectory data has emerged as a viable source of data and provides a unique opportunity for monitoring freeways. This monograph describes how these connected vehicles can be used to directly measure queue lengths and travel times and this description is summarized in a graphica
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