Operational Evaluation of Right Turns Followed by U-turns at Signalized Intersections (6 Or More Lanes) as an Alternative to Direct Left Turns PDF Download
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Category : Left-turn lanes
Languages : en
Pages : 230
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Book Description
Author:
Publisher:
ISBN:
Category : Left-turn lanes
Languages : en
Pages : 230
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Book Description
Author: Jian John Lu
Publisher:
ISBN:
Category : Left-turn lanes
Languages : en
Pages : 244
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Book Description
Author:
Publisher:
ISBN:
Category : Left-turn lanes
Languages : en
Pages : 230
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Book Description
Author: Lu, Jian John Lu
Publisher:
ISBN:
Category : Left-turn lanes
Languages : en
Pages : 172
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Book Description
Author: Jian John Lu
Publisher:
ISBN:
Category : Left-turn lanes
Languages : en
Pages : 260
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Author: Jian John Lu
Publisher:
ISBN:
Category : Driveways
Languages : en
Pages : 194
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Book Description
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.
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ISBN: 9780309060677
Category : Highway capacity
Languages : en
Pages : 135
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Author:
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Category : Highway engineering
Languages : en
Pages : 96
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Author: Lee August Rodegerdts
Publisher: Transportation Research Board
ISBN: 0309155118
Category : Technology & Engineering
Languages : en
Pages : 407
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Book Description
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.
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Category :
Languages : en
Pages :
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