Crash Impact Of Smooth Lane Narrowing With Rumble Strips At Two Lane Stop Controlled Intersections
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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.
Crash Impact Of Smooth Lane Narrowing With Rumble Strips At Two Lane Rural 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 Rural 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.
Public Roads
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Author :
language : en
Publisher:
Release Date : 2011
Public Roads written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with Highway research categories.
Backpacker
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Author :
language : en
Publisher:
Release Date : 2007-09
Backpacker written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09 with categories.
Backpacker brings the outdoors straight to the reader's doorstep, inspiring and enabling them to go more places and enjoy nature more often. The authority on active adventure, Backpacker is the world's first GPS-enabled magazine, and the only magazine whose editors personally test the hiking trails, camping gear, and survival tips they publish. Backpacker's Editors' Choice Awards, an industry honor recognizing design, feature and product innovation, has become the gold standard against which all other outdoor-industry awards are measured.
Crash Models For Rural Intersections
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Author : Andrew Vogt
language : en
Publisher:
Release Date : 1999
Crash Models For Rural Intersections written by Andrew Vogt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Roads categories.
Safety Evaluation Of Centerline Plus Shoulder Rumble Strips
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Author : Craig Lyon
language : en
Publisher:
Release Date : 2015
Safety Evaluation Of Centerline Plus Shoulder Rumble Strips written by Craig Lyon and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Rumble strips categories.
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 National Research
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 National Research 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.
Crash Reduction Following Installation Of Centerline Rumble Strips On Rural Two Lane Roads
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Author : Bhagwant N. Persaud
language : en
Publisher:
Release Date : 2003
Crash Reduction Following Installation Of Centerline Rumble Strips On Rural Two Lane Roads written by Bhagwant N. Persaud and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Rumble strips categories.
Safety Evaluation Of Edge Line Rumble Stripes On Rural Two Lane Horizontal Curves
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Author : Scott Himes
language : en
Publisher:
Release Date : 2017
Safety Evaluation Of Edge Line Rumble Stripes On Rural Two Lane Horizontal Curves written by Scott Himes and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017 with Automobiles categories.
The Development of Crash Modification Factors (DCMF) program conducted safety evaluations of edge-line rumble stripes (ELRSs) on rural two-lane horizontal curves for the Evaluation of Low-Cost Safety Improvements Pooled Fund Study. This study evaluated the application of ELRSs on rural two-lane horizontal curves. ELRSs are a variation of common shoulder rumble strips used to alert drowsy or distracted drivers when they are leaving the travel lane to the right. ELRSs are installed with the edge-line pavement marking placed directly over the rumble strip. Geometric, traffic, and crash data were obtained at treated rural two-lane horizontal curves in Kentucky and Ohio. To account for potential selection bias and regression-to-the-mean, an empirical Bayes before-after analysis was conducted using reference groups of untreated rural horizontal curves with similar characteristics to the treated sites. The analysis also controlled for changes in traffic volumes over time and time trends in crash counts unrelated to the treatment. Owing to a small sample for the reference group in Kentucky and a simultaneous statewide curve warning sign upgrade program in Ohio, alternative reference sites were used to account for annual trends. The results for Kentucky indicated statistically significant reductions for total, injury, run-off-road (ROR), and nighttime crashes, with crash modification factors (CMFs) of 0.75, 0.64, 0.74, and 0.63, respectively. The results for Ohio indicated statistically significant reductions for all crash types, with total, injury, ROR, nighttime, and nighttime ROR CMFs of 0.79, 0.79, 0.78, 0.75, and 0.71, respectively. The two States' results could not be combined because of the statewide curve signing program in Ohio. It is important to note that all crash types considered in this research excluded intersection-related and animal crashes. Benefit-cost (B/C) ratios were estimated to be 331:1 for Kentucky and 477:1 for Ohio. If ELRSs were used as a curve-specific treatment, the B/C ratio would likely be much smaller because of the higher installation cost; however, these results suggest that the treatment can be highly cost effective
Evaluation Of Non Freeway Rumble Strips Phase Ii
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Author :
language : en
Publisher:
Release Date : 2015
Evaluation Of Non Freeway Rumble Strips Phase Ii written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Rumble strips categories.
MDOT's rumble strip program for two-lane high speed rural highways was initiated in 2008 and continued through 2010. This program included implementation of centerline rumble strips (CLRS) on nearly 5,400 miles of two-lane high speed roads that MDOT maintains. This program presented an opportunity to perform a comprehensive evaluation of safety performance of rumble strips, especially CLRS. A two-phase evaluation study of the program was launched to estimate the driver behavioral and performance improvement in the presence of CLRS on two-lane high speed highways and also perform a system-wide "Before" and "After" study of target traffic crashes. The driver behavior-related study and collection of the three years' "Before" crash data and analysis was performed in Phase I (OR09084A) and the Phase II study was performed to collect the three years of "After" crash data, a program evaluation study, and benefit-cost analysis. The crash analysis indicated statistically significant reductions in all target crashes including, head-on, sideswipe opposite and run-off-the-road left. The study of crashes and their severity resulted in the reduction in fatal and all categories of injury crashes including a 47% reduction in total target crashes and a 51% reduction in target fatal crashes. An economic analysis of the rumble strip program resulted in a benefit-cost ratio of the program to be in the range of 58:1 to 18:1 based on discount rate assumptions of 2% and 10%, respectively. A road user survey indicated strong agreement among the respondents that CLRS is a beneficial safety improvement program.