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Author :
Publisher :
ISBN 13 :
Total Pages : 232 pages
Book Rating : 4.3/5 (91 download)
Download or read book Left-turn Lane Design and Operation written by and published by . This book was released on 2008 with total page 232 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 14 pages
Book Rating : 4.3/5 (555 download)
Download or read book Triple Left-turn Lanes at Signalized Intersections written by and published by . This book was released on 2002 with total page 14 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Publisher : Transportation Research Board
ISBN 13 : 0309154731
Total Pages : 94 pages
Book Rating : 4.3/5 (91 download)
Download or read book Guide for the Geometric Design of Driveways written by and published by Transportation Research Board. This book was released on 2010 with total page 94 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Report 659: Guide for the Geometric Design of Driveways explores guidelines related to the geometric design of driveways. The report includes driveway-related terms and definitions, an examination of basic geometric controls, a summary of access spacing principles, and detailed discussions of various geometric design elements. Material related to and supporting the contents of NCHRP Report 659, including an extensive review of literature, has been published as NCHRP Web-Only Document 151: Geometric Design of Driveways.
Author : William F. Bremer
Publisher :
ISBN 13 :
Total Pages : 93 pages
Book Rating : 4.:/5 (115 download)
Download or read book Design Standards for Unobstructed Sight Lines at Left-turn Lanes written by William F. Bremer and published by . This book was released on 2019 with total page 93 pages. Available in PDF, EPUB and Kindle. Book excerpt: Past research has clearly shown that obstructed sight lines at intersections lead to greater possibilities of collisions between left-turning vehicles and opposing oncoming vehicles. Evaluations of the effects of left-turn lane offsets, reported that positive left-turn lane offsets were more effective in reducing intersection left-turn crashes than zero and negative left-turn offsets. Several researchers have developed guidelines for geometric design elements of left-turn offset. The majority of states provide only a limited discussion on this topic. Florida DOT provides the most comprehensive policies and guidance for assuring unobstructed sight lines at left-turn lanes. Recommendations developed in this project center on general policies and guidance for designing offset left-turn lanes for a new edition of MnDOT’s Road Design Manual. Recommendations are organized to provide standards, policies, and guidance for new/reconstruction projects and for preservation projects. Topics covered include definition of left-turn lane offset, design factors impacting offset, suggested designs for urban and rural multilane roadways and expressways, accommodating U-turns, pedestrian and bicyclist considerations as well as winter maintenance considerations. Additional recommendations are offered to improve consistency among all MnDOT manuals and guides used for intersection design and operation.
Author :
Publisher :
ISBN 13 :
Total Pages : 80 pages
Book Rating : 4.3/5 (555 download)
Download or read book Development of Left-turn Lane Guidelines for Signalized and Unsignalized Intersections written by and published by . This book was released on 2004 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt: It is generally accepted that the level of service (LOS) at intersections significantly affects the overall LOS of the road system. It is also known that the LOS at an intersection can be adversely affected by frequently allowing left-turning vehicles to block through traffic. In addition, crash rates tend to be higher at intersections than on through sections of a road. The separation of left-turning vehicles from through traffic is therefore an important condition for the safe and effective operation of intersections. Existing guidelines for installing left-turn lanes have several limitations. They are mainly based on the traffic volumes at the intersection, and they use deterministic models with fixed gap acceptance and/or left-turn maneuver times. In addition, the guidelines for left-turn lanes for unsignalized intersections and signalized intersections must be specific for the type of intersection. In this study, new left-turn guidelines for both unsignalized and signalized intersections were developed on the basis of well-validated event-based simulation programs. Guidelines for unsignalized intersections were based on the percentage of left turns blocking through vehicles, whereas the guidelines for signalized intersections were developed using a minimum left-turn volume of either 85% left-turn capacity or LOS E delay (55 seconds/vehicle). In addition to the general guidelines, a prioritization tool that can be used to prioritize candidate intersections was developed. The prioritization tool accounts for both operational and safety aspects.
Author :
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (1 download)
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.
Author : William R. Reilly
Publisher :
ISBN 13 :
Total Pages : 512 pages
Book Rating : 4.3/5 (91 download)
Download or read book Design of Urban Streets written by William R. Reilly and published by . This book was released on 1978 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Marcus Brewer
Publisher : Transportation Research Board
ISBN 13 : 0309223598
Total Pages : 90 pages
Book Rating : 4.3/5 (92 download)
Download or read book Recent Roadway Geometric Design Research for Improved Safety and Operations written by Marcus Brewer and published by Transportation Research Board. This book was released on 2012 with total page 90 pages. Available in PDF, EPUB and Kindle. Book excerpt: RB’s National Cooperative Highway Research Program (NCHRP) Synthesis 432: Recent Roadway Geometric Design Research for Improved Safety and Operations reviews and summarizes roadway geometric design literature completed and published from 2001 through early 2011, particularly research that identified impacts on safety and operations.
Author : American Association of State Highway and Transportation Officials
Publisher : AASHTO
ISBN 13 : 1560515082
Total Pages : 907 pages
Book Rating : 4.5/5 (65 download)
Download or read book A Policy on Geometric Design of Highways and Streets, 2011 written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 2011 with total page 907 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Chicago Area Transportation Study. Roadway Operations Task Force
Publisher :
ISBN 13 :
Total Pages : 36 pages
Book Rating : 4.3/5 (555 download)
Download or read book Operation Green Light written by Chicago Area Transportation Study. Roadway Operations Task Force and published by . This book was released on 1989 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Clarence E. Riser
Publisher :
ISBN 13 :
Total Pages : 132 pages
Book Rating : 4.:/5 (1 download)
Download or read book Lane Use Controls at Intersections written by Clarence E. Riser and published by . This book was released on 1959 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. K. Staplin
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.3/5 (91 download)
Download or read book Guidelines and Recommendations to Accommodate Older Drivers and Pedestrians written by L. K. Staplin and published by . This book was released on 2001 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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ISBN 13 :
Total Pages : 134 pages
Book Rating : 4.3/5 (555 download)
Download or read book Developing left-turn lane guidelines for priority intersections in the State of Kansas written by and published by . This book was released on 1978 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: Application of the study results are intended for use in the state of Kansas and are limited to a two-land priority intersection.
Author : L. K. Staplin
Publisher :
ISBN 13 :
Total Pages : 256 pages
Book Rating : 4.:/5 (1 download)
Download or read book Intersection Geometric Design and Operational Guidelines for Older Drivers and Pedestrians written by L. K. Staplin and published by . This book was released on 1997 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James L. Pline
Publisher : Transportation Research Board
ISBN 13 :
Total Pages : 100 pages
Book Rating : 4.3/5 (555 download)
Download or read book Left-turn Treatments at Intersections written by James L. Pline and published by Transportation Research Board. This book was released on 1996 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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 : Zoltan Anthony Nemeth
Publisher :
ISBN 13 :
Total Pages : 222 pages
Book Rating : 4.3/5 (555 download)
Download or read book Development of Guidelines for the Application of Continuous Two-way Left-turn Median Lanes written by Zoltan Anthony Nemeth and published by . This book was released on 1976 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Kay Fitzpatrick
Publisher : Transportation Research Board
ISBN 13 : 0309258987
Total Pages : 62 pages
Book Rating : 4.3/5 (92 download)
Download or read book Left-turn Accommodations at Unsignalized Intersections written by Kay Fitzpatrick and published by Transportation Research Board. This book was released on 2013 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt: "TRB's National Cooperative Highway Research Program (NCHRP) Report 745: Left-Turn Accommodations at Unsignalized Intersections presents guidance for the selection and design of left-turn accommodations at unsignalized intersections. The report includes 11 case studies of typical situations that illustrate the use of the guidance." -- publisher's description.
