Shoulder Rumble Strips — Effectiveness and Current Practice

Shoulder rumble strips have proven to be an effective roadside treatment in preventing run-off-the-road crashes on rural highways. Based upon the proven effectiveness, most States now require the incorporation of rumble strips during the reconstruction, rehabilitation, or resurfacing of rural highways. Retrofitting rural highways with shoulder rumble strips is also gaining increased use. Based upon nationwide use and proven effectiveness, the purpose of this report is to promote the required use of shoulder rumble strips on Wyoming rural highways as a necessary treatment to reduce the frequency of single vehicle run-off-the-road crashes.