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How rumble strips work
- Rumble strips in Wisconsin are grooved patterns milled into the pavement perpendicular to the direction of travel.
- They can be installed on the centerline of 2-lane, rural, roadways, or on the roadway shoulder.
- The driver of a vehicle passing over a rumble strip hears an audible
warning (rumbling sound) and feels a vibration.
- These physical and audible warnings alert the driver to identify the travel way in bad weather situations such as fog, rain, or snow, and the drowsy, distracted or impaired driver, thus reducing the chance for a crash.
- Milled-in rumble strips ground into the pavement are preferred
over rolled-in rumble strips.
- Milled-in rumble strips have been demonstrated to be the best design for reducing fatal and major injury crashes.
- Rolled-in rumble strips were previously used in Wisconsin until the mid 1990s.
Jerry Zogg, email@example.com
Last modified: June 4, 2014
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