Guidance For The Design And Application Of Shoulder And Centerline Rumble Strips
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Guidance For The Design And Application Of Shoulder And Centerline Rumble Strips
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Author : Darren J. Torbic
language : en
Publisher: Transportation Research Board
Release Date : 2009
Guidance For The Design And Application Of Shoulder And Centerline Rumble Strips written by Darren J. Torbic and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Technology & Engineering categories.
This report provides guidance for the design and application of shoulder and centerline rumble strips as an effective crash reduction measure, while minimizing adverse effects for motorcyclists, bicyclists, and nearby residents. Using the results of previous studies and the research conducted under this project, safety effectiveness estimates were developed for shoulder rumble strips on rural freeways and rural two-lane roads and for centerline rumble strips on rural and urban two-lane roads.
Nchrp Report 641
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Author :
language : en
Publisher:
Release Date : 2009
Nchrp Report 641 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with Electronic book categories.
Nchrp Report 641
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Author :
language : en
Publisher:
Release Date : 2009
Nchrp Report 641 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009 with categories.
Human Factors Guidelines For Road Systems
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Author : John L. Campbell
language : en
Publisher: Transportation Research Board
Release Date : 2010
Human Factors Guidelines For Road Systems written by John L. Campbell and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Technology & Engineering categories.
NCHRP report 600 explores human factors principles and findings for consideration by highway designers and traffic engineers. The report is designed to help the nonexpert in human factors to consider more effectively the roadway user's capabilities and limitations in the design and operation of highway facilities.
Guidelines For Using Centerline Rumble Strips In Virginia
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Author : Chung S. Chen
language : en
Publisher:
Release Date : 2005
Guidelines For Using Centerline Rumble Strips In Virginia written by Chung S. Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Roads categories.
Following the wide and successful use of continuous shoulder rumble strips, many state departments of transportations (DOTs) installed centerline rumble strips (CLRS) on rural two-lane and undivided multilane highways in an effort to reduce cross-over-the-centerline (COCL) crashes. COCL crashes include head-on, sideswipe opposite direction, fixed object run-off-the-road left, and non-collision. The purpose of this research was to develop guidelines for using CLRS in Virginia based on a review of best practices and the analysis of Virginia COCL crash data from 2001 through 2003. The analysis procedures included data query and analyses of crash frequency, density, and rate. Areas and route locations with the highest COCL crashes and densities were identified as potential candidate sites for CLRS. As of 2003, 24 state DOTs and two Canadian provinces were using CLRS. They are generally installed on a case-by-case basis. CLRS design patterns vary greatly among states, but the most commonly used types are continuous grooves 12 to 16 inches in length, 6 to 7 inches in width, and 0.5 inch in depth spaced 12 or 24 inches apart. The optimal CLRS patterns remain unknown. Data analyses revealed that the distribution of COCL crashes in Virginia varied significantly with roadway system, road type, jurisdictional area, and road location. The statewide COCL crash densities were 0.13 and 0.71 crash per mile for secondary and primary roads, respectively. Fixed object run-off-the-road left was the predominant type of COCL crash followed by sideswipe opposite direction and head-on for undivided roads. The crash density of the primary system was 4.5 times higher than that of the secondary system. Guidelines were developed that outline the application of CLRS, design dimensions, installation and maintenance, and other issues. The authors recommend that the Virginia Department of Transportation's Traffic Engineering Division implement the guidelines as a division memorandum. Although a benefit-cost ratio for this recommendation will vary with each site, a sample estimated benefit-cost ratio was at least 7.6 per mile.
Crash Impact Of Smooth Lane Narrowing With Rumble Strips At Two Lane Stop Controlled Intersections
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Author :
language : en
Publisher:
Release Date : 2010
Crash Impact Of Smooth Lane Narrowing With Rumble Strips At Two Lane Stop Controlled Intersections written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with Low-volume roads categories.
Accident Modification Factors For Traffic Engineering And Its Improvements
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Author : David L. Harkey
language : en
Publisher: Transportation Research Board
Release Date : 2008
Accident Modification Factors For Traffic Engineering And Its Improvements written by David L. Harkey and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Transportation categories.
TRB¿s National Cooperative Highway Research Program (NCHRP) Report 617: Accident Modification Factors for Traffic Engineering and ITS Improvements explores the development of accident modification factors (AMFs) for traffic engineering and intelligent transportation system improvements. AMFs, also known as crash reduction factors, are designed to provide a simple and quick way of estimating the safety impacts of various types of engineering improvements, encompassing the areas of signing, alignment, channelization, and other traffic engineering solutions.
Highway Safety Research Agenda Infrastructure And Operations
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Author : Charles V. Zegeer
language : en
Publisher: Transportation Research Board
Release Date : 2013
Highway Safety Research Agenda Infrastructure And Operations written by Charles V. Zegeer and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Infrastructure (Economics) categories.
"TRB's National Cooperative Highway Research Program (NCHRP) 756: Highway Safety Research Agenda: Infrastructure and Operations develops a proposed agenda of prioritized safety research needs in the area of highway infrastructure and operations. The report provides options to the U.S. transportation community on how to direct research to the areas where it can provide the most benefit. The agenda is based on a prioritization methodology developed by the research team which can be applied on a recurring basis to update the agenda over time. Both the agenda and the methodology documented in this report will assist government officials, private sector employees, and academics with managing highway safety research. In addition to the report, 16 unpublished appendices (Appendices A-O and R) have been made available electronically."--Publisher description.
A Policy On Geometric Design Of Highways And Streets 2011
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Author : American Association of State Highway and Transportation Officials
language : en
Publisher: AASHTO
Release Date : 2011
A Policy On Geometric Design Of Highways And Streets 2011 written by American Association of State Highway and Transportation Officials and has been published by AASHTO this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Technology & Engineering categories.
The Effects Of Sound On People
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Author : James P. Cowan
language : en
Publisher: John Wiley & Sons
Release Date : 2016-03-22
The Effects Of Sound On People written by James P. Cowan and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-22 with Technology & Engineering categories.
Provides a summary of current research results on the physiological and psychological effects of sound on people Covers how the operation of the hearing mechanism affects our reactions to sounds Includes research results from studies on noise sources of public concern such as transportation, public utility, and recreational sources, with emphasis on low frequency sound and infrasound Covers sounds that affect some but not others, how sounds can be controlled on a practical level, and how and what sounds are regulated Includes coverage of both positive and negative effects of sound