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Traffic Engineering Sites
What are Rumble Strips?
Rumble Strips are groves or rows of indents in the pavement, designed to alert inattentive drivers—through noise and vibration—and reduce the number of accidents.
What are Rumble StripEs?
Rumble stripEs are longitudinal rumble strips that have a pavement marking stripe installed on top of them. In addition to warning drivers that they have left the travelled lane, rumble stripEs are much more visible in rainy and wet conditions.
Types of Rumple Strips and StripEs
- Edgeline Rumble StripEs when installed to separate the travel lane from the shoulder(s).
- Centerline Rumble StripEs when installed to separate opposing traffic on undivided highways.The goal of these is to reduce head-on and opposite direction side-swipe crashes.
Shoulder Rumble Strips are longitudinal rumble strips installed outside of the edgeline (the yellow or white line that separates the travel lane from the left or right shoulder.) The intent of shoulder rumble strips is to notify inattentive drivers that they are leaving the travelled lane - with the goal of reducing run-off-the-road crashes. They are also useful during snowy conditions to help the driver keep the vehicle in the travelled lane.
Rumble StripEs can be either:
Transverse Roadway rumble strips are placed across the travelled lane to alert drivers approaching a change of roadway condition or a hazard that requires substantial speed reduction or other maneuvering.
Rumble Strips and Rumble StripEs