Optimization of Traffic Signal Change Interval

Optimization of Traffic Signal Change Interval

Author: Robert H. Wortman

Publisher:

Published: 1986

Total Pages: 78

ISBN-13:

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Utilizing data from field studies of intersections in Arizona and information from the literature, an indepth examination of the traffic signal change interval was undertaken. The examination included a review of the traditional concept and theory on which the determination of the change interval has been based and an evaluation of the applicability of this theory.


Guidelines for Timing Yellow and All-red Intervals at Signalized Intersections

Guidelines for Timing Yellow and All-red Intervals at Signalized Intersections

Author: Hugh W. McGee

Publisher: Transportation Research Board

Published: 2012

Total Pages: 93

ISBN-13: 0309258596

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TRB National Cooperative Highway Research Program (NCHRP) Report 731: Guidelines for Timing Yellow and All-Red Intervals at Signalized Intersections offers guidance for yellow change and all-red clearance intervals at signalized intersections. The guidelines provide a framework that can be easily applied by state and local transportation agencies.


Traffic Signal Timing Manual

Traffic Signal Timing Manual

Author: U.s. Department of Transportation

Publisher: CreateSpace

Published: 2015-02-20

Total Pages: 286

ISBN-13: 9781508557173

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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.


Session 2

Session 2

Author:

Publisher:

Published: 1994

Total Pages: 26

ISBN-13:

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The papers presented in this session are as follows: Determining vehicle signal change and clearance intervals (ITE Technical Council Task force 4TF-1, Beverly A. Thompson, Chair); Guidelines for the use of flashing operation at signalized intersections (Kacir, KC, Hawkins, HG, Benz, RJ and Obermeyer, ME); A new signal warrant for practicing traffic engineers - Turning conflicts (Bretherton, WM and Elhaj, M); The permitted lead-lag left-turn display (Seymour, E, Green, J and Black, J); LED Technology in message signs and traffic signals (Evans, DL). For covering abstract of this conference, see record with call number US6 AKS 94C01-37.