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Author :
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.3/5 (555 download)
Download or read book Performance Measures for Arterial Traffic Signal Systems written by and published by . This book was released on 2009 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher M. Day
Publisher : Purdue University Press
ISBN 13 : 9781622600908
Total Pages : 244 pages
Book Rating : 4.6/5 (9 download)
Download or read book Real-Time Arterial Traffic Signal Performance Measures written by Christopher M. Day and published by Purdue University Press. This book was released on 2008-04-01 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt: Increasing demand for highway system capacity compels transportation agencies to extract as much capacity as possible from existing systems. Traffic signals represent a major component of highway systems. Improvement of traffic signal operation requires accurate performance measures. Despite recent improvements in computing technology, traffic signal controllers are currently not able to capture useful performance measures on a cycle-by-cycle basis. This report presents a set of performance measures that could be collected on a cycle-by-cycle basis by a traffic signal controller given the capability to log phase indications and detector actuations. The performance measures investigated here include the volume-to-capacity ratio and arrival type defined by the Highway Capacity Manual. The effectiveness of these performance measures in evaluating operation at a traffic signal is demonstrated in two comparative case studies. The first study investigates the impact of actuating a portion of the coordinated phases at a coordinated arterial intersection. The second study investigates the results of retiming a traffic signal on a coordinated arterial.
Author : Henry X. Liu
Publisher :
ISBN 13 :
Total Pages : 117 pages
Book Rating : 4.:/5 (426 download)
Download or read book Development of a Real-time Arterial Performance Monitoring System Using Traffic Data Available from Existing Signal Systems written by Henry X. Liu and published by . This book was released on 2008 with total page 117 pages. Available in PDF, EPUB and Kindle. Book excerpt: Data collection and performance measurement for signalized arterial roads is an area of emerging focus in the United States. As indicated by the results of the 2005 Traffic Signal Operation Self-Assessment Survey, a majority of agencies involved in the operation and maintenance of traffic signal systems do not monitor or archive traffic system performance and thus have limited means to improve their operation. With support from the Transportation Department of Hennepin County, Minneapolis, MN, a system for high resolution traffic signal data collection and arterial performance measurement has been successfully built. The system, named SMART-SIGNAL (Systematic Monitoring of Arterial Road Traffic Signals), is able to collect and archive event-based traffic signal data simultaneously at multiple intersections. Using the event-based traffic data, SMART-SIGNAL can generate timedependent performance measures for both individual intersections and arterials including intersection queue length and arterial travel time. The SMART-SIGNAL system has been deployed at an 11-intersection corridor along France Avenue in south Minneapolis and the estimated performance measures for both intersection queue length and arterial travel times are highly consistent with the observed data.
Author : Christopher M. Day
Publisher : Joint Transportation Research Program
ISBN 13 : 9781622602803
Total Pages : 134 pages
Book Rating : 4.6/5 (28 download)
Download or read book Performance Measures for Traffic Signal Systems written by Christopher M. Day and published by Joint Transportation Research Program. This book was released on 2014-03-26 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This monograph is a synthesis of research carried out on traffic signal performance measures based on high-resolution controller event data, assembled into a methodology for performance evaluation of traffic signal systems. High-resolution data consist of a log of discrete events such as changes in detector and signal phase states. A discussion is provided on the collection and management of the signal event data and on the necessary infrastructure to collect these data. A portfolio of performance measures is then presented, focusing on several different topics under the umbrella of traffic signal systems operation. System maintenance and asset management is one focus. Another focus is signal operations, considered from the perspectives of vehicle capacity allocation and vehicle progression. Performance measures are also presented for nonvehicle modes, including pedestrians, and modes that require signal preemption and priority features. Finally, the use of travel time data is demonstrated for evaluating system operations and assessing the impact of signal retiming activities.
Author : Brandon L. Nevers
Publisher :
ISBN 13 : 9780309673631
Total Pages : 0 pages
Book Rating : 4.6/5 (736 download)
Download or read book Performance-based Management of Traffic Signals written by Brandon L. Nevers and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Management of traffic signal systems is a critical function for every transportation agency. Thanks to advancements in technology, it is now possible to collect large amounts of data at signalized intersections, leading to the development of dozens of performance measures. The TRB National Cooperative Highway Research Program's pre-publication draft of NCHRP Research Report 954: Performance-Based Management of Traffic Signals provides information to help agencies invest in signal performance measures as part of a comprehensive approach to performance-based management. Supplementary materials to the report include a data dictionary and a PowerPoint presentation.
Author :
Publisher :
ISBN 13 : 9780309369244
Total Pages : 107 pages
Book Rating : 4.3/5 (692 download)
Download or read book Traffic Signal Systems written by and published by . This book was released on 2015 with total page 107 pages. Available in PDF, EPUB and Kindle. Book excerpt: This issue explores 10 papers related to traffic signal systems, including: MESCOP: A Mesoscopic Traffic Simulation Model to Evaluate and Optimize Signal Control Plans Strategy for Multiobjective Transit Signal Priority with Prediction of Bus Dwell Time at Stops Empirical Evaluation of Transit Signal Priority: Fusion of Heterogeneous Transit and Traffic Signal Data and Novel Performance Measures Fine-Tuning Time-of-Day Transitions for Arterial Traffic Signals Use of Maximum Vehicle Delay to Characterize Signalized Intersection Performance Traffic Signal Battery Backup Systems: Use of Event-Based Traffic Controller Logs in Performance-Based Investment Programming Study of Truck Driver Behavior for Design of Traffic Signal Yellow and Clearance Timings Online Implementation and Evaluation of Weather-Responsive Coordinated Signal Timing Operations Resonant Cycles Under Various Intersection Spacing, Speeds, and Traffic Signal Operational Treatments Implementation of Real-Time Offset-Tuning Algorithm for Integrated Corridor Management
Author : Brandon L. Nevers
Publisher :
ISBN 13 :
Total Pages : 206 pages
Book Rating : 4.:/5 (118 download)
Download or read book Performance-based Management of Traffic Signals written by Brandon L. Nevers and published by . This book was released on 2020 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Wilfred W. Recker
Publisher :
ISBN 13 :
Total Pages : 160 pages
Book Rating : 4.:/5 (1 download)
Download or read book Interjurisdictional Coordination of Katella Avenue Traffic Signals written by Wilfred W. Recker and published by . This book was released on 1992 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher Michael Day
Publisher :
ISBN 13 : 9781124151601
Total Pages : 447 pages
Book Rating : 4.1/5 (516 download)
Download or read book Performance-based Management of Arterial Traffic Signal Systems written by Christopher Michael Day and published by . This book was released on 2010 with total page 447 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9780309125932
Total Pages : 119 pages
Book Rating : 4.1/5 (259 download)
Download or read book Traffic Signal Systems written by and published by . This book was released on 2008 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2080 includes 13 papers that explore the preempt trap of the highway-railway interface, fully actuated versus nonactuated coordinated phases, effectiveness of lead-lag phasing on progression bandwidth, high-resolution gueue discharge and the effect on signal phasing, integration of real-time pedestrian performance measures into traffic signal systems, microsimulation of split-cycle offset optimization technique and coordinated actuated traffic control, and piecewise optimum delay estimation for improved signal control. This issue of the TRR also examines microsimulation of traffic operations at intersections in malfunction flash mode, variable maximum green time to improve rural traffic signal operations, stopping behavior at urban signalized intersections, traffic controller performance of coordinated actuated signal systems during time-of-day transition, unacceptable video detector performance for dilemma zone protection, and robust synchronization of arterial actuated signals.
Author : Kevin N. Balke
Publisher :
ISBN 13 :
Total Pages : 88 pages
Book Rating : 4.3/5 (555 download)
Download or read book Development of a Traffic Signal Performance Measurement System (TSPMS) written by Kevin N. Balke and published by . This book was released on 2005 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: The purpose of this research was to examine the type of performance measures that could be collected at an intersection and develop a system for automatically collecting these performance measures in the field.. We began the research by conducting an assessment ofthe needs of the Texas Department of Transportation (TxDOT) practitioners for an automated system to collect intersection and traffic signal performance measures. We then examined capabilities of some of the existing traffic signal controllers and detection systems to produce the desired performance measures. Based on the findings of the needs assessments and an evaluation of the limitation of the existing detection system, we developed a series of innovative performance measures that practitioners could use to assess traffic operations and the effectiveness of the signal timing at intersections. We then developed a prototype system for automatically collecting these data in the field. We installed the prototype system in two different locations that exhibited different operating characteristics and assessed the ability of the system to collect meaningful and appropriate performance measures.
Author : U.s. Department of Transportation
Publisher : CreateSpace
ISBN 13 : 9781508557173
Total Pages : 286 pages
Book Rating : 4.5/5 (571 download)
Download or read book Traffic Signal Timing Manual written by U.s. Department of Transportation and published by CreateSpace. This book was released on 2015-02-20 with total page 286 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report serves as a comprehensive guide to traffic signal timing and documents the tasks completed in association with its development. The focus of this document is on traffic signal control principles, practices, and procedures. It describes the relationship between traffic signal timing and transportation policy and addresses maintenance and operations of traffic signals. It represents a synthesis of traffic signal timing concepts and their application and focuses on the use of detection, related timing parameters, and resulting effects to users at the intersection. It discusses advanced topics briefly to raise awareness related to their use and application. The purpose of the Signal Timing Manual is to provide direction and guidance to managers, supervisors, and practitioners based on sound practice to proactively and comprehensively improve signal timing. The outcome of properly training staff and proactively operating and maintaining traffic signals is signal timing that reduces congestion and fuel consumption ultimately improving our quality of life and the air we breathe. This manual provides an easy-to-use concise, practical and modular guide on signal timing. The elements of signal timing from policy and funding considerations to timing plan development, assessment, and maintenance are covered in the manual. The manual is the culmination of research into practices across North America and serves as a reference for a range of practitioners, from those involved in the day to day management, operation and maintenance of traffic signals to those that plan, design, operate and maintain these systems.
Author : Wenteng Ma
Publisher : ProQuest
ISBN 13 : 9780549790495
Total Pages : 308 pages
Book Rating : 4.7/5 (94 download)
Download or read book A Real-time Performance Measurement System for Arterial Traffic Signals written by Wenteng Ma and published by ProQuest. This book was released on 2008 with total page 308 pages. Available in PDF, EPUB and Kindle. Book excerpt: The SMART-SIGNAL data collection system has been installed on an 11-intersections arterial corridor along France Avenue in Hennepin County, Minnesota since February 2007. Event-based signal data are being collected in a 24/7 mode and then immediately archived in the SMART-SIGNAL system, thus yielding a tremendous amount of field data available for research. The field study shows that the proposed mathematical models can generate accurate time-dependent queue lengths, travel times, numbers of stops, and other performance measures under various traffic conditions.
Author :
Publisher :
ISBN 13 : 9780309160674
Total Pages : 193 pages
Book Rating : 4.1/5 (66 download)
Download or read book Traffic Signal Systems 2010 written by and published by . This book was released on 2010 with total page 193 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRR no. 2192 contains 18 papers that explore simulation-based optimization of the maximum green setting, wireless magnetometer vehicle detectors at signalized intersections, management of signalized arterial capacity, arterial signal coordination, crosstalk detection in loop detectors at signalized intersections, railroad-preempted intersections, and providing automated performance measures at signalized intersections with existing video detection equipment. This issue of the TRR also examines signal priority near a major bus terminal, traffic signal transition in coordinated meshed networks, equitable traffic signal timing plans, decision tree model to prioritize signalized intersections near highway-railroad crossings, advance-detection designs for high-speed intersection approaches, uncertainty and predictability of urban link travel time, cross-evaluation of optimized signal timing, robust signal timing for arterials under day-to-day demand variations, adaptive signal control, analytical models for protected/permitted left-turn capacity at signalized intersections with heavy traffic, and arterial performance measures with media access control readers.
Author : Li Zhang
Publisher :
ISBN 13 :
Total Pages : 137 pages
Book Rating : 4.:/5 (13 download)
Download or read book Performance Measures of Traffic Signal Control Systems written by Li Zhang and published by . This book was released on 2021 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt: The object of this study is to explore Automated Traffic Signal Performance Measures in the state of Mississippi. This report documents the implementation of Automated Traffic Signal Performance Measures Ver 4.2 developed by Utah/Georgia Department of Transportation (U/GDOT) in Mississippi. Eleven intersections along Highway 12 in Starkville, Mississippi, have been added to the system. Those measures include 12 GDOT/UDOT performances matrices and two traffic signal systems status reports by the project team. The major contributions of this study are the documentation and validation of the performance measures development process by analyzing U/GDOT source code. We also indicate the limitations of the ATSPM.
Author : Robert L. Gordon
Publisher : Transportation Research Board
ISBN 13 : 0309143179
Total Pages : 92 pages
Book Rating : 4.3/5 (91 download)
Download or read book Traffic Signal Retiming Practices in the United States written by Robert L. Gordon and published by Transportation Research Board. This book was released on 2010 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 409: Traffic Signal Retiming Practices in the United States explores practices that operating agencies currently use to revise traffic signal timing. The report examines the processes used to develop, install, verify, fine-tune, and evaluate the plans--
Author : Richard Gerhard Dowling
Publisher : Transportation Research Board
ISBN 13 : 0309223970
Total Pages : 65 pages
Book Rating : 4.3/5 (92 download)
Download or read book Active Traffic Management for Arterials written by Richard Gerhard Dowling and published by Transportation Research Board. This book was released on 2013 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Active traffic management (ATM) includes a suite of traffic management and control strategies that improve operational efficiency. These strategies are used to manage traffic flow to enhance capacity and safety. This synthesis documents the state of the practice associated with designing, implementing, and operating ATM on arterial roadways."--Preface.
