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Title	Estimating Safety Benefits of Shoulder Rumble Strips on Two-Lane Rural Highways in Minnesota: Empirical Bayes Observational Before-and-After Study
Accession No	01044850
Authors	Patel, Rushi B ; Council, Forrest M ; Griffith, Michael S
Journal Title	Transportation Research Record: Journal of the Transportation Research Board No. 2019
Corp. Authors / Publisher	Transportation Research Board
Publication Date	20070000
Description	pp 205-211; Figures(2); References(16); Tables(6)
Media Type	Print
Languages	English
Abstract	Approximately 40% of all 2004 fatal crashes were single-vehicle, run-off-the-road (SVROR) crashes. The problem was even more significant on two-lane rural roads, where shoulder rumble strips were an important treatment in the prevention of these crashes and have proved effective on freeways. However, no studies have evaluated the effectiveness of shoulder rumble strips in reducing SVROR crashes on two-lane rural highways. An empirical Bayes before-and-after study was performed to evaluate the safety-effectiveness of milled-in continuous shoulder rumble strips on two-lane rural highways in Minnesota. The treatment was installed at 23 treatment sites (183 mi). This study reports a 13% reduction in all SVROR crashes and an 18% reduction in injury-producing SVROR crashes after installation of this treatment.
TRT Terms	Before and after studies ; Ran off road accidents ; Road shoulders ; Rumble strips ; Rural highways ; Single vehicle accidents ; Two lane highways
Geographical Terms	Minnesota
Other Terms	Accident reduction; Empirical Bayes method
Subject Areas	H21 FACILITIES DESIGN; H51 SAFETY; I82 Accidents and Transport Infrastructure; I85 Safety Devices used in Transport Infrastructure
ISBN	9780309104463
Availability	Transportation Research Board Business Office Find a library where document is available Order Document: http://worldcat.org/isbn/9780309104463
URLs	Document: http://dx.doi.org/10.3141/2019-24
TRIS Files	HRIS; BTRIS
Database	TRIS Online