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Author : Anonim
Publisher : Unknown
Page : 263 pages
File Size : 40,8 Mb
Release : 2011
Category : Electronic traffic controls
ISBN : OCLC:781863006
Author : National Research Council (U.S.). Transportation Research Board
Publisher : Unknown
Page : 50 pages
File Size : 45,9 Mb
Release : 1986
Category : Electronic
ISBN : OCLC:612617052
Author : Anonim
Publisher : Unknown
Page : 107 pages
File Size : 49,6 Mb
Release : 2015
Category : Electronic traffic controls
ISBN : OCLC:935936357
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 : Anonim
Publisher : Unknown
Page : 102 pages
File Size : 44,6 Mb
Release : 2016
Category : Adaptive control systems
ISBN : 0309441315
Author : Michael Kyte,Tom Urbanik
Publisher : Unknown
Page : 350 pages
File Size : 55,9 Mb
Release : 2012-08
Category : Roads
ISBN : 1602634203
Author : Christopher M. Day,Darcy M. Bullock,Howell Li
Publisher : Joint Transportation Research Program
Page : 134 pages
File Size : 48,6 Mb
Release : 2014-03-26
Category : Transportation
ISBN : 1622602803
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 : Robert L. Gordon,National Cooperative Highway Research Program
Publisher : Transportation Research Board
Page : 96 pages
File Size : 41,8 Mb
Release : 2003
Category : Electronic traffic controls
ISBN : 9780309069502
TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 307: Systems Engineering Processes for Developing Traffic Signal Systems discusses the systems engineering techniques available to traffic signal systems and identifies the key processes in a number of traffic signal systems engineering areas.
Author : Public Technology, inc
Publisher : Unknown
Page : 32 pages
File Size : 47,9 Mb
Release : 1976
Category : Electronic traffic controls
ISBN : NWU:35556021319686
Author : Anonim
Publisher : Unknown
Page : 20 pages
File Size : 47,8 Mb
Release : 1995
Category : Electronic traffic controls
ISBN : UCBK:C101201827
Author : Anonim
Publisher : Unknown
Page : 126 pages
File Size : 50,9 Mb
Release : 2013
Category : Electronic book
ISBN : OCLC:1066399218
"TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2356 contains 14 papers that review an intelligent dilemma-zone protection system for a high-speed rural intersection; adaptive signal control in Germany; queue length under connected vehicle technology; a coordinated optimization model for signal timings of full continuous flow intersections; and, transit priority strategies for multiple routes under headway-based operations. This TRR also explores multiregime adaptive signal control for congested urban roadway networks; metered entry volume on an oversaturated network with dynamic signal timing; arterial queue spillback detection and signal control based on connected vehicle technology; a coordinated optimization model for transit priority control under arterial progression; and, a dynamic programming approach for arterial signal optimization. In addition, this issue examines self-organizing control logic for oversaturated arterials; microwave radar vehicle detectors at a signalized intersection under adverse weather conditions; a performance diagnosis tool for arterial traffic signals; and, a statistical study of the impact of adaptive traffic signal control on traffic and transit performance."--Online abstract.
Author : Anonim
Publisher : Unknown
Page : 676 pages
File Size : 55,8 Mb
Release : 1976
Category : Traffic engineering
ISBN : IND:30000090490214
Author : National Research Council (U.S.). Transportation Research Board
Publisher : Unknown
Page : 104 pages
File Size : 51,6 Mb
Release : 2014
Category : Electronic traffic controls
ISBN : 0309295262
TRB's Transportation Research Record: Journal of the Transportation Research Board, No. 2439 consists of nine papers that explore design guidelines and conditions that warrant deployment of fully actuated coordination; high-resolution event-based data at diamond interchanges; graphical performance measures for practitioners to triage split failure trouble calls; intersection behavior improvements through delay-based left-turn phase initiation; and a sorting model of optimization order in traffic signal planning. This issue also examines the estimation of vehicles in the dilemma zone and application to fixed-time coordinated signal optimization; optimal intersection operation with median U-turn; coupled linear programming approaches for decentralized control of urban traffic; and use of event-based traffic data in generating time-space diagrams for evaluating signal coordination.
Author : U.s. Department of Transportation,Federal Highway Administration
Publisher : CreateSpace
Page : 286 pages
File Size : 40,6 Mb
Release : 2015-02-20
Category : Transportation
ISBN : 1508557179
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 : Michael Kyte,Maria Tribelhorn
Publisher : Createspace Independent Publishing Platform
Page : 0 pages
File Size : 54,6 Mb
Release : 2014-07-04
Category : Roads
ISBN : 1500204366
Before they begin their university studies, most students have experience with traffic signals, as drivers, pedestrians and bicycle riders. One of the tasks of the introductory course in transportation engineering is to portray the traffic signal control system in a way that connects with these experiences. The challenge is to reveal the system in a simple enough way to allow the student "in the door," but to include enough complexity so that this process of learning about signalized intersections is both challenging and rewarding. We have approached the process of developing this module with the following guidelines: * Focusing on the automobile user and pretimed signal operation allows the student to learn about fundamental principles of a signalized intersection, while laying the foundation for future courses that address other users (pedestrians, bicycle riders, public transit operators) and more advanced traffic control schemes such as actuated control, coordinated signal systems, and adaptive control. * Queuing models are presented as a way of learning about the fundamentals of traffic flow at a signalized intersection. A graphical approach is taken so that students can see how flow profile diagrams, cumulative vehicle diagrams, and queue accumulation polygons are powerful representations of the operation and performance of a signalized intersection. * Only those equations that students can apply with some degree of understanding are presented. For example, the uniform delay equation is developed and used as a means of representing intersection performance. However, the second and third terms of the Highway Capacity Manual delay equation are not included, as students will have no basis for understanding the foundation of these terms. * Learning objectives are clearly stated at the beginning of each section so that the student knows what is to come. At the end of each section, the learning objectives are reiterated along with a set of concepts that students should understand once they complete the work in the section. * Over 70 figures are included in the module. We believe that graphically illustrating basic concepts is an important way for students to learn, particularly for queuing model concepts and the development of the change and clearance timing intervals. * Over 50 computational problems and two field exercises are provided to give students the chance to test their understanding of the material. The sequence in which concepts are presented in this module, and the way in which more complex ideas build on the more fundamental ones, was based on our study of student learning in the introductory course. The development of each concept leads to an element in the culminating activity: the design and evaluation of a signal timing plan in section 9. For example, to complete step 1 of the design process, the student must learn about the sequencing and control of movements, presented in section 3 of this module. But to determine split times, step 6 of the design process, four concepts must be learned including flow (section 2), sequencing and control of movements (section 3), sufficiency of capacity (section 6), and cycle length and splits (section 8). Depending on the pace desired by the instructor, this material can be covered in 9 to 12 class periods.
Author : Anonim
Publisher : Unknown
Page : 704 pages
File Size : 53,8 Mb
Release : 1979
Category : Electronic traffic controls
ISBN : UCBK:C101199082