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Author :
Publisher : Aashto
ISBN 13 :
Total Pages : 20 pages
Book Rating : 4.3/5 (555 download)
Download or read book A Policy on Design Standards--interstate System written by and published by Aashto. This book was released on 2005 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 102 pages
Book Rating : 4.3/5 (555 download)
Download or read book Access Control Design on Highway Interchanges written by and published by . This book was released on 2008 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt: The adequate spacing and design of access to crossroads in the vicinity of freeway ramps are critical to the safety and traffic operations of both the freeway and the crossroad. The research presented in this report develops a methodology to evaluate the safety impact of different access road spacing standards. The results clearly demonstrate the shortcomings of the AASHTO standards and the benefits of enhancing them. The models developed as part of this research were used to compute the crash rate associated with alternative section spacing. The study demonstrates that the models satisfied the statistical requirements and provide reasonable crash estimates. The results demonstrate an eight-fold decrease in the crash rate when the access road spacing increases from 0 to 300 m. An increase in the minimum spacing from 90 m (300 ft) to 180 m (600 ft) results in a 50 percent reduction in the crash rate. The models were used to develop lookup tables that quantify the impact of access road spacing on the expected number of crashes per unit distance. The tables demonstrate a decrease in the crash rate as the access road spacing increases. An attempt was made to quantify the safety cost of alternative access road spacing using a weighted average crash cost. The weighted average crash cost was computed considering that 0.6, 34.8, and 64.6 percent of the crashes were fatal, injury, and property damage crashes, respectively. These proportions were generated from the field observed data. The cost of each of these crashes was provided by VDOT as $3,760,000, $48,200, and $6,500 for fatal, injury, and property damage crashes, respectively. This provided an average weighted crash cost of $43,533. This average cost was multiplied by the number of crashes per mile to compute the cost associated with different access spacing scenarios. These costs can assist policy makers in quantifying the trade-offs of different access management regulations.
Author : Kristine Williams
Publisher :
ISBN 13 : 9780309295413
Total Pages : 529 pages
Book Rating : 4.2/5 (954 download)
Download or read book Access Management Manual written by Kristine Williams and published by . This book was released on 2014 with total page 529 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Since the publication of the first edition of the Access Management Manual, the context for transportation planning and roadway design in the United States has been transformed. Transportation agencies and local governments are under growing pressure to integrate land use and transportation policy and achieve a more sustainable, energy-efficient transportation system. This second edition of the manual responds to these developments by addressing access management comprehensively, as a critical part of network and land use planning. The content is interdisciplinary, with guidance pertinent to various levels of government as well as to pedestrians, bicyclists, and motorized vehicles, including trucks and buses, and is strongly grounded in decades of research, engineering science, and professional experience. Greater emphasis is placed on appropriate location of access, and guidance is refined to provide appropriate consideration of context and community issues. Substantial updates aid state and local agencies in managing access to corridor development effectively. Specific guidance on network and circulation planning and modal considerations is included, as well as guidance on effective site access and circulation design. A chapter on corridor management reinforces these concepts with a framework for application of access management in different contexts, along with appropriate strategies for each context. There are also new chapters on network planning, regional access management policies and programs, interchange area access management, auxiliary lane warrants and design, and right-of-way and access control. The manual concludes with an extensive menu of access management techniques and information on their application"--Provided by publisher.
Author : Marc A. Butorac
Publisher : Transportation Research Board
ISBN 13 : 0309070090
Total Pages : 92 pages
Book Rating : 4.3/5 (9 download)
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.
Author : Lee August Rodegerdts
Publisher : Transportation Research Board
ISBN 13 : 0309155118
Total Pages : 407 pages
Book Rating : 4.3/5 (91 download)
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.
Author : American Association of State Highway and Transportation Officials
Publisher : AASHTO
ISBN 13 : 156051325X
Total Pages : 134 pages
Book Rating : 4.5/5 (65 download)
Download or read book Roadway Lighting Design Guide written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 2005 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guide replaces the 1984 publication entitled An Informational Guide for Roadway Lighting. It has been revised and brought up to date to reflect current practices in roadway lighting. The guide provides a general overview of lighting systems from the point of view of the transportation departments and recommends minimum levels of quality. The guide incorporates the illuminance and luminance design methods, but does not include the small target visibility (STV) method.
Author :
Publisher : AASHTO
ISBN 13 : 1560512717
Total Pages : 142 pages
Book Rating : 4.5/5 (65 download)
Download or read book Guide for the Planning, Design, and Operation of Pedestrian Facilities written by and published by AASHTO. This book was released on 2004 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Joel P. Leisch
Publisher :
ISBN 13 : 9780935403947
Total Pages : 639 pages
Book Rating : 4.4/5 (39 download)
Download or read book Freeway and Interchange written by Joel P. Leisch and published by . This book was released on 2005-01-01 with total page 639 pages. Available in PDF, EPUB and Kindle. Book excerpt: Guidebook on designing freeways to promote healthy communities & safer streets.
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 : James O. Brewer
Publisher : DIANE Publishing
ISBN 13 : 1428952330
Total Pages : 63 pages
Book Rating : 4.4/5 (289 download)
Download or read book Geometric Design Practices for European Roads written by James O. Brewer and published by DIANE Publishing. This book was released on 2001 with total page 63 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher : Amer Assn of State Hwy
ISBN 13 : 9781560510314
Total Pages : 352 pages
Book Rating : 4.5/5 (13 download)
Download or read book Roadside Design Guide written by and published by Amer Assn of State Hwy. This book was released on 1996-01-01 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: This document presents a synthesis of current information and operating practices related to roadside safety and is developed in metric units. The roadside is defined as that area beyond the traveled way (driving lanes) and the shoulder (if any) of the roadway itself. The focus of this guide is on safety treatments that minimize the likelihood of serious injuries when a driver runs off the road. This guide replaces the 1989 AASHTO "Roadside Design Guide."
Author :
Publisher :
ISBN 13 :
Total Pages : 670 pages
Book Rating : 4.:/5 (318 download)
Download or read book Traffic Control Systems Handbook written by and published by . This book was released on 1976 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook, which was developed in recognition of the need for the compilation and dissemination of information on advanced traffic control systems, presents the basic principles for the planning, design, and implementation of such systems for urban streets and freeways. The presentation concept and organization of this handbook is developed from the viewpoint of systems engineering. Traffic control studies are described, and traffic control and surveillance concepts are reviewed. Hardware components are outlined, and computer concepts, and communication concepts are stated. Local and central controllers are described, as well as display, television and driver information systems. Available systems technology and candidate system definition, evaluation and implementation are also covered. The management of traffic control systems is discussed.
Author : Gerson J. Alexander
Publisher :
ISBN 13 :
Total Pages : 48 pages
Book Rating : 4.3/5 (91 download)
Download or read book Driver Expectancy in Highway Design and Traffic Operations written by Gerson J. Alexander and published by . This book was released on 1986 with total page 48 pages. Available in PDF, EPUB and Kindle. Book excerpt: Expectancy relates to a driver's readiness to respond to situations, events, and information in predictable and successful ways. This report describes the concept of driver expectancy in the context of the driving task, and provides examples of expectancy and expectancy violations. It includes a procedure for identifying general and specific expectancy violations to enable engineers to develop remedial treatments to deal with expectancy problems.
Author : National Research Council (U.S.). Transportation Research Board
Publisher :
ISBN 13 :
Total Pages : 184 pages
Book Rating : 4.3/5 ( download)
Download or read book Intersection and Interchange Design written by National Research Council (U.S.). Transportation Research Board and published by . This book was released on 1993 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 : 9780309060677
Total Pages : 135 pages
Book Rating : 4.0/5 (66 download)
Download or read book NCHRP Report written by and published by . This book was released on 1964 with total page 135 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : American Association of State Highway and Transportation Officials
Publisher :
ISBN 13 : 9781560511618
Total Pages : 905 pages
Book Rating : 4.5/5 (116 download)
Download or read book Policy on Geometric Design of Highways written by American Association of State Highway and Transportation Officials and published by . This book was released on 2001 with total page 905 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Bolt, Beranek, and Newman
Publisher :
ISBN 13 :
Total Pages : 840 pages
Book Rating : 4.3/5 (555 download)
Download or read book Highway Noise; a Design Guide for Highway Engineers written by Bolt, Beranek, and Newman and published by . This book was released on 1971 with total page 840 pages. Available in PDF, EPUB and Kindle. Book excerpt: Various methods of assessing noise, loudness, and noise annoyance are reviewed and explained; sources, types, and intensities of traffic noise are noted; typical means of abatement and attenuation are described; design criteria for various land uses ranging from low-density to industrial are suggested and compared with the results of previous BBN and British systems for predicting annoyance and complaint; and a design guide for predicting traffic noise, capable of being programmed for batch and on-line computer applications, is presented in form suitable for use as a working tool. A flow diagram describes the interrelationships of elements in the traffic noise prediction methodology, and each element is discussed in detail in the text. The text is presented of a tape recording that takes the listener through a series of traffic situations, with such variables as traffic distance, flow velocity, distance, outdoors and indoors, and presence or absence of absorbers and attenuators.
