Performance analysis of centerline and shoulder rumble strips installed in combination in Washington State.

Author(s)
Olson, D. Sujka, M. & Manchas, B.
Year
Abstract

WSDOT began installing rumble strips on undivided highways in 1999 as a countermeasure for roadway departure crashes. Installations on the shoulders were intended to reduce run-off-the-road crashes, while centerline rumble strips targeted reductions in cross-centerline crashes. A March 2011 report detailed the performance of centerline rumble strips on Washington State highways. This study: • Examines the combined effects of centerline and shoulder rumble strips. • Details the performance of rumble strips on undivided highways in Washington State under a variety of conditions. • Explores various traffic volumes, geometric conditions, lane and shoulder widths, and driver contributing circumstances. • Compares various installation scenarios with shoulder and centerline rumble strip installation at different times, as well as simultaneous installation. (Author/publisher)

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Publication

Library number
20131018 ST [electronic version only]
Source

Olympia, WA, Washington State Department of Transportation DOT, Research Office, 2013, VIII + 104 p., 20 ref.; WSDOT Research Report ; WA-RD 799.1

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