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More than half (57 percent) of U.S. traffic fatalities occur after a driver crosses the edge or center line of a roadway. Two-thirds (65 percent) of these fatal crashes occur in rural areas.
Many factors contribute to drivers leaving the roadway...
Welcome to the Federal Highway Administration's (FHWA) Rumble Strips and Rumble Stripes website. This site contains information about longitudinal center line, edge line, and shoulder rumble strips and stripes.
What's New: There is a ...
FHWA-SA-15-030
FHWA-SA-15-029
November 7, 2011
November 7, 2011
December 2015
FHWA-SA-15-035
This guide serves to educate safety, planning, and design professionals about the need to collaborate with the bicycle community and understand the functional and safety needs of bicyclists as edge line, shoulder, and even center line rumble strips are being considered for implementation. The guide presents design flexibilities on bicyclist accommodation that have been used by agencies with successful large-scale implementation of rumble strips on two-lane rural roads.
April 2015
FHWA-SA-15-034