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Effect Of Right Turning Vehicles On Traffic Signal Volume Warrants
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Book Synopsis Effect of Right Turning Vehicles on Traffic Signal Volume Warrants by : A. Essam Radwan
Download or read book Effect of Right Turning Vehicles on Traffic Signal Volume Warrants written by A. Essam Radwan and published by . This book was released on 1987 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of Right-turning Vehicles on Traffic Signal Volume Warrants by :
Download or read book Effect of Right-turning Vehicles on Traffic Signal Volume Warrants written by and published by . This book was released on 1991 with total page 119 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Right-turn Traffic Volume Adjustment in Traffic Signal Warrant Analysis by : Cui Zhou
Download or read book Right-turn Traffic Volume Adjustment in Traffic Signal Warrant Analysis written by Cui Zhou and published by . This book was released on 2016 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: This dissertation was based on the research project, Right-Turn Traffic Volume Adjustment in Traffic Signal Warrants, sponsored by the Nevada Department of Transportation (NDOT). Right-turn traffic does not affect intersection performance in the same magnitude as through or left-turn traffic. Therefore, it is necessary to apply an adjustment to the right-turn volume when conducting signal warrant analysis. Without any reduction, an intersection with heavy right-turn volume might mislead the signal warrant analysis result, and could make a difference in whether a signal is deemed warranted or not. Firstly, a comprehensive literature review was conducted focused on the state-of-the-practice on handling minor-street right-turn volumes while conducting signal warrant studies. Further, an agency survey at the Institute of Transportation Engineers (ITE) community discussion was performed to acquire valuable information from practicing engineers. It was found that the limited guidance in the Manual of Uniform Traffic Control Devises (MUTCD) is not sufficient to provide a clear direction on determining whether or how much right turns impact the signal warrant analysis. In reality, most traffic engineers have done the reduction based on engineering judgments by incorporating key factors such as geometry and main street volume. Sometimes agencies develop and adopt internal procedures but do not necessarily publish them. Based on the lack of an adequate guideline, a new one is needed to estimate the reduction factor for right-turn traffic on the minor street when conducting a traffic signal warrant study. The proposed guideline is based on the delay equivalent relationship between right-turn and through traffic. The right-turn volume equals an equivalent number of through vehicles, which would produce the same control delay on the minor street. The equivalent factor is defined as the measurement of the reduction of right turns. Because equivalent factors are calculated based on delay, it incorporates major impact factors of the right-turn and through traffic inherently, such as flow rates, conflicting flow rates, capacity, critical headways, and follow-up headways. Especially, the volume ratio in the two directions of the main street is considered. The research found that uneven volume distribution has a greater impact on the right-turn movement on the minor street. Therefore, just considering the main street volume can cause over- or under-estimation of the impact of the main street traffic on the minor street. Further, regression models were developed for all the configurations with calibrated regression coefficients. The advantage of these models is that they could give an equivalent factor for a specific volume scenario. The proposed guidelines were tested at three intersections and the results indicated that it is convenient to use and easily help to determine right-turn volume equivalents. At last, pedestrian impact on right-turn traffic adjustment was discussed. Usually, pedestrians crossing the main street would block right-turn vehicles on the minor street, and on the other hand, the through vehicles on the minor street can use this gap to cross an intersection. A Monte Carlo model was built to simulate the real operation of two-way stop-control (TWSC) intersections, and further validated with field data that was collected at one intersection near the University of Nevada, Reno (UNR) campus. With this model, minor-street through capacity considering pedestrian crossings was estimated. Using this enlarged capacity allows accurate calculation of equivalent factors by considering the counter impact of pedestrians on right turns. In summary, this research focused on the right-turn adjustment in the signal warrant. The decision of reducing the right turns on the minor street is somewhat subjective. Therefore, this study developed a practical guidance for determining the percentage of right turns to be considered in the signal warrant analysis. Based on the data analysis and case study results, statewide uniform guidelines were developed for implementation in the State of Nevada.
Book Synopsis Right-turn Traffic Volume Adjustments in Traffic Signal Warrant Analysis by : Zong Tian
Download or read book Right-turn Traffic Volume Adjustments in Traffic Signal Warrant Analysis written by Zong Tian and published by . This book was released on 2015 with total page 56 pages. Available in PDF, EPUB and Kindle. Book excerpt: To accomplish this research, a comprehensive literature review of existing guidelines and findings based on national and local studies was conducted. Ultimately, guidelines for consistent application for adjusting right-turn traffic volumes were developed for the state of Nevada. The comprehensive literature review focused on the state-of-the-practice on handling minor-street right-turn volumes while conducting signal warrant studies. Further, a comprehensive agency survey was conducted through the Institute of Transportation Engineers (ITE) community discussion to acquire valuable information from practicing engineers. It was found that the limited guidance in the Manual on Uniform Traffic Control Devises (MUTCD) is not sufficient to provide clear directions on determining whether or how much right turns impact the signal warrant analysis. In reality, most traffic engineers have done the reduction based on engineering judgment incorporating key factors such as geometry and main street volumes. The Pagones Theorem and the method proposed by the National Cooperative Highway Research Program (NCHRP) have been adopted by some states and local agencies. However, there is no literature found to document the detailed methodologies of the Pagones Theorem and the NCHRP method. Additionally, these methods do not consider the main-street volume distribution which affects the intersection operations. It is common that some agencies adopt internal procedures but they do not necessarily publish them. The authors' approach for developing the new right-turn volume adjustment guidelines is based on traffic operations measures, i.e. delay or level-of-service (LOS). This LOS-based approach has been successfully applied to determining intersection control types. The proposed guideline is based on the delay equivalent relationship between right-turn and through traffic. The right-turn volume equals to an equivalent number of through vehicles, which would produce the same control delay
Book Synopsis Effects of Right-turning Vehicles at Traffic Signals by : F. V. Webster
Download or read book Effects of Right-turning Vehicles at Traffic Signals written by F. V. Webster and published by . This book was released on 1967 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effect of right-turning vehicles at traffic signals by :
Download or read book Effect of right-turning vehicles at traffic signals written by and published by . This book was released on 1967 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Crash Experience Warrant for Traffic Signals by : Hugh W. McGee
Download or read book Crash Experience Warrant for Traffic Signals written by Hugh W. McGee and published by Transportation Research Board. This book was released on 2003 with total page 59 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of Right-turn-on Red on Traffic Performance and Accidents at Signalized Intersections by : James C. Ray
Download or read book The Effect of Right-turn-on Red on Traffic Performance and Accidents at Signalized Intersections written by James C. Ray and published by . This book was released on 1956 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Traffic Signal Timing Manual by : U.s. Department of Transportation
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 :New York (State). State Traffic Commission Publisher :Government Printing Office ISBN 13 : Total Pages :972 pages Book Rating :4./5 ( download)
Book Synopsis MUTCD 2000: Manual on Uniform Traffic Control Devices by : New York (State). State Traffic Commission
Download or read book MUTCD 2000: Manual on Uniform Traffic Control Devices written by New York (State). State Traffic Commission and published by Government Printing Office. This book was released on with total page 972 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :United States. National Advisory Committee on Uniform Traffic Control Devices Publisher : ISBN 13 : Total Pages :896 pages Book Rating :4.:/5 (1 download)
Book Synopsis Manual on Uniform Traffic Control Devices for Streets and Highways by : United States. National Advisory Committee on Uniform Traffic Control Devices
Download or read book Manual on Uniform Traffic Control Devices for Streets and Highways written by United States. National Advisory Committee on Uniform Traffic Control Devices and published by . This book was released on 1978 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Manual on Uniform Traffic Control Devices by : United States. Department of Transportation
Download or read book Manual on Uniform Traffic Control Devices written by United States. Department of Transportation and published by . This book was released on 2003 with total page 780 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Manual of Uniform Traffice Control Devices (MUTCD) is aproved by the Federal Highway Administrator as the National Standard in accordance with Title 23 U.S. Code, Sections 109(d), 114(a), 217, 315, and 402(a), 23 CFR 655, and 49 CFR 1.48(b)(33), and 1.48(c)(2).
Book Synopsis Right-turn Traffic Volume Adjustment in Traffic Signal Warrant Analysis by : Zong Tian
Download or read book Right-turn Traffic Volume Adjustment in Traffic Signal Warrant Analysis written by Zong Tian and published by . This book was released on 2016 with total page 65 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This research focused on the right turn adjustment in the signal warrant. The decision on reducing the right turns on the minor street is somewhat subjective. Therefore, this study developed a practical guidance for determining the percentage of right turns to be considered in the signal warrant analysis. Based on the data analysis and case study results, statewide uniform guidelines were developed for implementation in the State of Nevada. However, the recommendations reached in this research could be applied in other states as well."--page ii.
Book Synopsis Manual on Uniform Traffic Control Devices for Streets and Highways by :
Download or read book Manual on Uniform Traffic Control Devices for Streets and Highways written by and published by . This book was released on 1988 with total page 604 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effect of a Separated Right Turn Roadway on the Capacity of a Signalized Four Way Intersection by : B. L. Cook
Download or read book The Effect of a Separated Right Turn Roadway on the Capacity of a Signalized Four Way Intersection written by B. L. Cook and published by . This book was released on 1958 with total page 86 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Traffic Signal Warrants by : H. Gene Hawkins
Download or read book Traffic Signal Warrants written by H. Gene Hawkins and published by . This book was released on 1998 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: Traffic signals are one of the most restrictive forms of traffic control that can be used at an intersection. In order to ensure that the use of traffic signals is limited to favorable situations, a series of traffic signal warrants has been developed to define the minimum traffic conditions that must be present before signal installation can be considered. This document provides transportation officials with detailed information about conducting a traffic signal warrant analysis. It addresses many of the issues that have typically been left to interpretation and is intended to improve the consistency of the warranting process.
Book Synopsis Turn Controls in Urban Traffic by : Eno Foundation for Highway Traffic Control
Download or read book Turn Controls in Urban Traffic written by Eno Foundation for Highway Traffic Control and published by . This book was released on 1951 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: