Development of Warrants for Left-turn Phasing PDF Download
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Author: Kenneth R. Agent
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 48
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Book Description
Author: Kenneth R. Agent
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 48
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Book Description
Author: Kenneth R. Agent
Publisher:
ISBN:
Category : Road markings
Languages : en
Pages : 44
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Book Description
Author: Jonathan Upchurch
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 220
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Book Description
This study dealt with five types of left turn signal phasing: permissive, leading exclusive, lagging exclusive, leading exclusive/permissive, and lagging exclusive/permissive. The objectives of this research project were to: (1) develop a research work plan to conduct a statistically valid study for the development of numerical warrants for left turn movements; and (2) prepare a database of available information on signalized intersections and select the intersections to be used in the future study. This report describes the database of Arizona signalized intersections created in this project, the findings on left turn accident rates for different types of left turn phasing (using a nonrandom sample), and results of a validation study of the TEXAS computer simulation model. It also presents a research work plan for a future research project.
Author: U.s. Department of Transportation
Publisher: CreateSpace
ISBN: 9781508557173
Category : Transportation
Languages : en
Pages : 286
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Book Description
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:
Publisher:
ISBN:
Category : Highway research
Languages : en
Pages : 34
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 704
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 838
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Book Description
Author: Zongzhong Tian
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 106
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Book Description
Author:
Publisher:
ISBN:
Category : Roads
Languages : en
Pages : 134
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Book Description
Application of the study results are intended for use in the state of Kansas and are limited to a two-land priority intersection.
Author: Benjamin H. Cottrell
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 98
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Book Description
The objective of this research was to develop guidelines for the use of exclusive/permissive left-turn signal phasing. This was achieved by collecting data on traffic and roadway conditions for exclusive, exclusive/permissive, and permissive left-turn phasings and then analyzing the data to identify relationships between the left-turn phasings and traffic and roadway conditions. The guidelines addressed the following" (1) volume guidelines based on peak hour minimum left-turn volume and the product of the peak- hour left-turn and opposing volumes, (2) annual left-turn accident experience, (3) left-turn traffic conflict experience based on critical number and rates, (4) left-turn delay, and (5) site condition factors identified in the study
