A Study of the Use of Techniques for Establishing Left Turn Phase Change Intervals PDF Download
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Author:
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 50
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Book Description
Author:
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 50
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Air travel
Languages : en
Pages : 656
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Book Description
Author: James L. Pline
Publisher: Transportation Research Board
ISBN:
Category : Controlled access highways
Languages : en
Pages : 100
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Book Description
This synthesis will be of interest to traffic engineers in both the public and private sectors, as well as to design engineers, safety and law enforcement officials, traffic signal technicians, and others concerned with the accommodation of nonmotorized transportation (pedestrians and bicycles) on the roadway. The synthesis describes the traffic conditions, signalization, signing, and geometric design issues associated with accommodating left-turning vehicles at intersections. This report of the Transportation Research Board discusses the basic concerns related to left-turn movements and the guidelines and requirements for handling these movements in the traffic stream. It also addresses the design criteria for left-turn treatments and the performance measures frequently applied to determine their effectiveness. The synthesis discusses the specific requirements for signing and pavement markings, and the various elements of traffic signal requirements, signal design and installation, phasing optimization, and lane-use controls. There is also a description of special applications such as U-turn control, pedestrian requirements, bicycles, and light rail transit interface.
Author: National Cooperative Highway Research Program
Publisher:
ISBN:
Category : Highway engineering
Languages : en
Pages : 770
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Book Description
Author: Lei Yu
Publisher:
ISBN:
Category : Electronic traffic controls
Languages : en
Pages : 126
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Book Description
This project developed and tested a framework for setting yellow change and red clearance intervals for the left-turn movement, which can be used directly by the field traffic engineers. The framework was designed to incorporate a comprehensive set of parameters related to intersection geometry, perception, human comfort, driver's behavior, safety issues, and traffic related laws. The application of this proposed framework can improve both the safety and the efficiency of the left-turn movement at the intersection. The field data collected from 21 intersections in 8 Texas cities was used for the preliminary calibration of three essential parameters within the improved framework. The three essential parameters are related to drivers' entering driving behavior, drivers' behavior on left-turn curve, and drivers' tolerable centrifugal force, respectively. After the preliminary calibration, a systematic calibration approach was designed to extend the improved framework to a wider range of intersection configurations associated with different approaching speed limits, number of left-turn lanes, control types, and truck percentages. Through this research it is found that the existing yellow change intervals for the left-turn movement should be shorter, and the existing red clearances longer. However, the existing total change intervals need not to be changed. This means that the safety of left-turn can be greatly improved without decreasing the efficiency of the entire intersection operation. This is the final report for the project, which summarizes the work that has been performed during the two-year project research.
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 : Public administration
Languages : en
Pages : 532
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Book Description
Author: University of Minnesota. Intelligent Transportation Systems Institute
Publisher:
ISBN:
Category : Intelligent Vehicle Highway Systems
Languages : en
Pages : 54
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Book Description
Author: Architectural and Transportation Barriers Compliance Board. Public Rights-of-Way Access Advisory Committee
Publisher:
ISBN:
Category : Barrier-free design
Languages : en
Pages : 186
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Book Description
Author: William R. Wiener
Publisher: American Foundation for the Blind
ISBN: 0891284613
Category : Health & Fitness
Languages : en
Pages : 856
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Book Description
Foundations of Orientation and Mobility, the classic professional reference and textbook has been completely revised and expanded to two volumes by the most knowledgeable experts in the field. The new third edition includes both the latest research in O&M and expanded information on practice and teaching strategies. Volume 2, Instructional Strategies and Practical Applications, contains detailed information in such as areas as the use of the senses in O&M; teaching O&M to different age and ability groups; the use of technology-based travel systems; and travel in complex environments. No O&M student or professional can afford to be without this essential resource.
