United States Department of Transportation
i
Roadway departure warning indicators : synthesis of noise and bicycle research
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2013-06-01
[PDF-832.18 KB]
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Abstract:The United States National Park Service has voiced concern about roadway departure
warning indicators (rumble strips) being installed in locations that affect the natural
sound environment inside the park. Rumble strips can effectively alert errant drivers
whose vehicles are leaving the travel lane. Some research has been conducted on rumble
strips that perform effectively but result in lower noise levels in areas adjacent to a
roadway. To date, however, the research is limited and scattered. The purpose of this
study was to create a synthesis from collected information in order to have some
guidance on how to install rumble strips near or in parks while minimizing disturbances
in adjacent noise-sensitive areas. Included in this guidance document is a synthesis
of literature on rumble strip noise based on the type of rumble strip, applications of
rumble strips, the effects rumble strips have on various road users, including
bicyclists, and also recommendations for rumble strip use and application in a park
environment.
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