Operational Evaluation of Right Turns Followed by U-turns at Signalized Intersections (6 Or More Lanes) as an Alternative to Direct Left Turns

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ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Operational Evaluation of Right Turns Followed by U-turns at Signalized Intersections (6 Or More Lanes) as an Alternative to Direct Left Turns by :

Download or read book Operational Evaluation of Right Turns Followed by U-turns at Signalized Intersections (6 Or More Lanes) as an Alternative to Direct Left Turns written by and published by . This book was released on 2005 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Safety Evaluation of Right Turns Followed by U-turns at Signalized Intersections (6 Or More Lane Arterials) as an Alternative to Direct Left Turns

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ISBN 13 :
Total Pages : 172 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Safety Evaluation of Right Turns Followed by U-turns at Signalized Intersections (6 Or More Lane Arterials) as an Alternative to Direct Left Turns by : Lu, Jian John Lu

Download or read book Safety Evaluation of Right Turns Followed by U-turns at Signalized Intersections (6 Or More Lane Arterials) as an Alternative to Direct Left Turns written by Lu, Jian John Lu and published by . This book was released on 2005 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Operational Evaluation of Right Turns Followed by U-turns (4 Lane Arterials) as an Alternative to Direct Left Turns

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ISBN 13 :
Total Pages : 244 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Operational Evaluation of Right Turns Followed by U-turns (4 Lane Arterials) as an Alternative to Direct Left Turns by : Jian John Lu

Download or read book Operational Evaluation of Right Turns Followed by U-turns (4 Lane Arterials) as an Alternative to Direct Left Turns written by Jian John Lu and published by . This book was released on 2005 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Determination of the Offset Distance Between Driveway Exits and Downstream U-turn Locations for Vehicles Making Right Turns Followed by U-turns

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ISBN 13 :
Total Pages : 194 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Determination of the Offset Distance Between Driveway Exits and Downstream U-turn Locations for Vehicles Making Right Turns Followed by U-turns by : Jian John Lu

Download or read book Determination of the Offset Distance Between Driveway Exits and Downstream U-turn Locations for Vehicles Making Right Turns Followed by U-turns written by Jian John Lu and published by . This book was released on 2005 with total page 194 pages. Available in PDF, EPUB and Kindle. Book excerpt: Florida increasingly uses restrictive medians and directional median openings on multi-lane highways to manage left turn egress maneuvers from driveways and side streets. By installing non-traversable medians and replacing full median openings with directional median openings at various locations, Florida prohibits direct left-turn exits onto some major arterials. The purpose of this research was to evaluate how the offset distance between driveway exits and downstream median openings or signalized intersections impacts traffic operational and safety performance. The primary objective is to determine optimum offset distances to facilitate driver use of Right Turn Followed by a U-Turn (RTUT) maneuvers, specifically investigating (1) traffic operational performance, based on the evaluation of vehicle travel time at various offset distances, and (2) safety performance, based on the evaluation of traffic conflicts and crash data. The focus of this research was on urban or suburban multi-lane divided arterials. Researchers studied the impacts of offset distance under four different scenarios: 4-lane divided roadways accommodating U-turns at median openings, 4-lane divided roadways accommodating U-turns at signalized intersections, 6 or more-lane divided roadways accommodating U-turns at median openings, and 6 or more-lane divided roadways accommodating U-turns at signalized intersections.

Safety Evaluation of Right Turns Followed by U-turns (4 Lanes Arterials) as an Alternative to Direct Left Turns

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ISBN 13 :
Total Pages : 260 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Safety Evaluation of Right Turns Followed by U-turns (4 Lanes Arterials) as an Alternative to Direct Left Turns by : Jian John Lu

Download or read book Safety Evaluation of Right Turns Followed by U-turns (4 Lanes Arterials) as an Alternative to Direct Left Turns written by Jian John Lu and published by . This book was released on 2005 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Safety Evaluation of Right Turns Followed by U-turns as an Alternative to Direct Left Turns: Operational evaluation of right turns followed by U-turns as an alternative to direct left turns

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Publisher :
ISBN 13 :
Total Pages : 230 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Safety Evaluation of Right Turns Followed by U-turns as an Alternative to Direct Left Turns: Operational evaluation of right turns followed by U-turns as an alternative to direct left turns by :

Download or read book Safety Evaluation of Right Turns Followed by U-turns as an Alternative to Direct Left Turns: Operational evaluation of right turns followed by U-turns as an alternative to direct left turns written by and published by . This book was released on 2001 with total page 230 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Evaluating the Effects of Prohibiting Left Turns and the Resulting U-turn Movement

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ISBN 13 :
Total Pages : 90 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Evaluating the Effects of Prohibiting Left Turns and the Resulting U-turn Movement by : Mashrur A. Chowdhury

Download or read book Evaluating the Effects of Prohibiting Left Turns and the Resulting U-turn Movement written by Mashrur A. Chowdhury and published by . This book was released on 2003 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research was to evaluate the operational and safety effects of restricting direct left turns from a driveway and providing alternatives to accommodate the left turn deterred traffic. This study was conducted in three phases: survey of state agencies, operational analysis, and safety assessment. Very little operational difference was found between no restrictions on direct left turns versus the restrictions with the U-turn alternative movements from site to site. While changes in the traffic volumes on the mainline had an impact in specific instances, no definite trends were apparent. As a result of all findings in this study, it is proposed that alternatives must be evaluated on a site-by-site basis. This study also found the jughandle design to be a superior alternative for accommodating left-turn deterred traffic for multi-lane divided and undivided sites compared to mid-block or intersection U-turns. The safety assessment revealed that a right turn followed by a U-turn movement is safer than the direct left turn.

Operational Impacts of Median Width on Larger Vehicles

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Publisher : Transportation Research Board
ISBN 13 : 9780309068659
Total Pages : 80 pages
Book Rating : 4.0/5 (686 download)

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Book Synopsis Operational Impacts of Median Width on Larger Vehicles by : Douglas W. Harwood

Download or read book Operational Impacts of Median Width on Larger Vehicles written by Douglas W. Harwood and published by Transportation Research Board. This book was released on 2000 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: This synthesis report will be of interest to officials and staff of municipal, regional, and statewide transportation agencies responsible for roadway design and traffic control. It will be of special interest to those concerned with intersections and driveways on divided highways where larger vehicles encounter narrow medians. It will also be of interest to other professionals who interact with these agencies to mitigate such problems. This report presents state-of-the-practice information about current median design policies and practices, describes the traffic operational and safety problems encountered in designing for larger vehicles at divided highway intersections, and identifies alternative improvement techniques that can be used in new construction or reconstruction projects to avoid introducing traffic operational and safety problems. This TRB report focuses on 10 alternative cross sections widely used on arterial highways in urban, suburban, and rural environment.

Safety Evaluation of Right Turns Followed by U-turns as an Alternative to Direct Left Turns: Crash data analysis

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ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Safety Evaluation of Right Turns Followed by U-turns as an Alternative to Direct Left Turns: Crash data analysis by : Jian John Lu

Download or read book Safety Evaluation of Right Turns Followed by U-turns as an Alternative to Direct Left Turns: Crash data analysis written by Jian John Lu and published by . This book was released on 2001 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Access Management on Crossroads in the Vicinity of Interchanges

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Publisher : Transportation Research Board
ISBN 13 : 0309070090
Total Pages : 92 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Access Management on Crossroads in the Vicinity of Interchanges by : Marc A. Butorac

Download or read book Access Management on Crossroads in the Vicinity of Interchanges written by Marc A. Butorac and published by Transportation Research Board. This book was released on 2004 with total page 92 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Synthesis 332: Access Management on Crossroads in the Vicinity of Interchanges examines current practices relating to access location and design on crossroads in the vicinity of interchanges. It identifies standards and strategies used on new interchanges and on the retrofit of existing interchanges.

Geometric Design and the Effects on Traffic Operations, 2005

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ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Geometric Design and the Effects on Traffic Operations, 2005 by :

Download or read book Geometric Design and the Effects on Traffic Operations, 2005 written by and published by . This book was released on 2005 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mid-Currituck Bridge Study, Currituck and Dare Counties

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ISBN 13 :
Total Pages : 402 pages
Book Rating : 4.3/5 (555 download)

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Book Synopsis Mid-Currituck Bridge Study, Currituck and Dare Counties by :

Download or read book Mid-Currituck Bridge Study, Currituck and Dare Counties written by and published by . This book was released on 2012 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Capacity and Operational Effects of Midblock Left-turn Lanes

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Publisher : Transportation Research Board
ISBN 13 : 9780309060677
Total Pages : 148 pages
Book Rating : 4.0/5 (66 download)

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Book Synopsis Capacity and Operational Effects of Midblock Left-turn Lanes by : James A. Bonneson

Download or read book Capacity and Operational Effects of Midblock Left-turn Lanes written by James A. Bonneson and published by Transportation Research Board. This book was released on 1997 with total page 148 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this research project was to develop a methodology for evaluating alternative midblock left-turn treatments on urban and suburban arterials. The methodology had to be applicable to three common midblock left-turn treatments: the raised-curb median, the flush median with two-way left-turn lane (TWLTL) delineation, and the undivided cross section. The methodology developed for this research focuses on the evaluation of midblock street segments on urban and suburban arterials. The basis for NCHRP Report 395.

Synthesis of Highway Practice

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ISBN 13 :
Total Pages : 794 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Synthesis of Highway Practice by : National Cooperative Highway Research Program

Download or read book Synthesis of Highway Practice written by National Cooperative Highway Research Program and published by . This book was released on 2004 with total page 794 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Safety of U-turns at Unsignalized Median Openings

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Publisher : Transportation Research Board
ISBN 13 : 0309088054
Total Pages : 142 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Safety of U-turns at Unsignalized Median Openings by : Ingrid B. Potts

Download or read book Safety of U-turns at Unsignalized Median Openings written by Ingrid B. Potts and published by Transportation Research Board. This book was released on 2004 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Report 524: Safety of U-Turns at Unsignalized Median Openings includes recommended guidelines for locating and designing unsignalized median openings, and a methodology for comparing the relative safety performance of different designs"--Publisher's description.

Evaluation of Sign and Marking Alternatives for Displaced Left-turn Lane Intersections

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ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Evaluation of Sign and Marking Alternatives for Displaced Left-turn Lane Intersections by :

Download or read book Evaluation of Sign and Marking Alternatives for Displaced Left-turn Lane Intersections written by and published by . This book was released on 2009 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document describes research conducted by the Federal Highway Administration (FHWA) to support guidance on the signing and marking of displaced left turn lane intersections (DLT) also known as continuous flow intersections (CFI). The DLT is an at grade intersection that is intended to support high traffic flow where there is a large volume of left turns and heavy through volumes. Its design permits the use of two or three phase traffic signals at the junction of two roads, while still providing at grade protected left turn movements.

Roundabouts

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Publisher : Transportation Research Board
ISBN 13 : 0309155118
Total Pages : 407 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Roundabouts by : Lee August Rodegerdts

Download or read book Roundabouts written by Lee August Rodegerdts and published by Transportation Research Board. This book was released on 2010 with total page 407 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 672: Roundabouts: An Informational Guide - Second Edition explores the planning, design, construction, maintenance, and operation of roundabouts. The report also addresses issues that may be useful in helping to explain the trade-offs associated with roundabouts. This report updates the U.S. Federal Highway Administration's Roundabouts: An Informational Guide, based on experience gained in the United States since that guide was published in 2000.