Applying Safety And Operational Effects Of Highway Design Features To Two Lane Rural Highways
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Applying Safety And Operational Effects Of Highway Design Features To Two Lane Rural Highways
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Author :
language : en
Publisher:
Release Date : 2003
Applying Safety And Operational Effects Of Highway Design Features To Two Lane Rural Highways written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Rural two-lane highways constitute a majority of the mileage of public roads in the United States. Rural two-lane highways have 40% of the total travel but experience 60% of the highway fatalities. During the 1980's and 1990's, research was carried out in the United States to quantify the safety and operational effects of various key geometric design features including: lane and shoulder widths; roadside safety; horizontal and vertical alignment; sight distance; rural intersections. Aggregating this research has resulted in a compendium of the safety benefits of certain geometric design features for two-lane rural highways which links design standards and safety. This aggregated research information provides a basis for software analysis of proposed highway designs to assess their expected safety performance as well as the traditional capacity performance. Application of these benefits and effects achieves a numerical methodology for safety in a similar manner as is commonly carried out for capacity. This compendium of the safety and operational benefits of highway design features is being deployed in the United States to state highway departments in advance of the release of the software based analysis system. For the covering abstract of this conference see ITRD number E211395.
Safety And Operational Effects Of Highway Design Features On Two Lane Rural Highways
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Author : National Highway Institute (U.S.)
language : en
Publisher:
Release Date : 2004
Safety And Operational Effects Of Highway Design Features On Two Lane Rural Highways written by National Highway Institute (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Rural roads categories.
Safety And Operational Effects Of Geometric Design Features For Two Lane Highway
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Author : National Highway Institute (U.S.)
language : en
Publisher:
Release Date : 2003
Safety And Operational Effects Of Geometric Design Features For Two Lane Highway written by National Highway Institute (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Rural roads categories.
How To Make Two Lane Rural Roads Safer
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Author : Ruediger Lamm
language : en
Publisher: Witpress
Release Date : 2007
How To Make Two Lane Rural Roads Safer written by Ruediger Lamm and has been published by Witpress this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Technology & Engineering categories.
When accidents happen, drivers are blamed for the mishap. When drivers consistently fail at certain locations, it then becomes obvious that the problem lies not with them, but with the geometry of the road itself. Because accidents are not evenly distributed throughout the road network, locations with high accident rates are a clear indication that there are other factors involved, besides driver error, which are characterized by the road itself. In most countries, two-lane rural roads make up about 90 percent of rural networks and they account for over 60 percent of highway fatalities worldwide, approximately 500,000 people per year. The methodology described in this book will support the achievement of quantified measures of: design consistency; operating speed consistency; and, driving dynamic consistency. The safety criteria are then combined into an overall safety module for a simplified general overview of the safety evaluation process. The authors also encourage the coordination of safety concerns with important economic, environmental and aesthetic considerations. This book will be an invaluable aid to educators, students, consultants, highway engineers and administrators, as well as scientists in the fields of highway design and traffic safety engineering.
Nhi Training Catalog
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Author : National Highway Institute (U.S.)
language : en
Publisher:
Release Date : 2006
Nhi Training Catalog written by National Highway Institute (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with Transportation categories.
Safety Effectiveness Of Highway Design Features
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Author :
language : en
Publisher:
Release Date : 1992
Safety Effectiveness Of Highway Design Features written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Bicycle trails categories.
Prediction Of The Expected Safety Performance Of Rural Two Lane Highways
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Author : Douglas W. Harwood
language : en
Publisher:
Release Date : 2000
Prediction Of The Expected Safety Performance Of Rural Two Lane Highways written by Douglas W. Harwood and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Low-volume roads categories.
This report presents an algorithm for predicting the safety performance of a rural two-lane highway. The accident prediction algorithm consists of base models and accident modification factors for both roadway segments and at-grade intersections on rural two-lane highways. The base models provide an estimate of the safety performance of a roadway or intersection for a set of assumed nominal or base conditions. The accident modification factors adjust the base model predictions to account for the effects on safety for roadway segments of lane width, shoulder width, shoulder type, horizontal curves, grades, driveway density, two-way left-turn lanes, passing lanes, roadside design and the effects on safety for at-grade intersections of skew angle, traffic control, exclusive left- and right-turn lanes, sight distance, and driveways. The accident prediction algorithm is intended for application by highway agencies to estimate the safety performance of an existing or proposed roadway. The algorithm can be used to compare the anticipated safety performance of two or more geometric alternatives for a proposed highway improvement. The accident prediction algorithm includes a calibration procedure that can be used to adapt the predicted results to the safety conditions encountered by any particular highway agency on rural two-lane highways. The algorithm also includes an Empirical Bayes procedure that can be applied to utilize the safety predictions provided by the algorithm together with actual site-specific accident history data.
Safety Effectiveness Of Highway Design Features Cross Sections
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Author :
language : en
Publisher:
Release Date : 1992
Safety Effectiveness Of Highway Design Features Cross Sections written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Bicycle trails categories.
Safety Effectiveness Of Highway Design Features
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Author : Charles V. Zegeer
language : en
Publisher:
Release Date : 1992
Safety Effectiveness Of Highway Design Features written by Charles V. Zegeer and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Roads categories.
Identification Quantification And Structuring Of Two Lane Rural Highway Safety Problems And Solutions Volume Ii Physical And Safety Characteristics Of Two Lane Rural Highways Final Report
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Author : S. A. Smith
language : en
Publisher:
Release Date : 1983
Identification Quantification And Structuring Of Two Lane Rural Highway Safety Problems And Solutions Volume Ii Physical And Safety Characteristics Of Two Lane Rural Highways Final Report written by S. A. Smith and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.