Portable rumble strip

Details Portable rumble strip Portable rumble strip

2008-04-08

2010-06-08

Hartmann, Gary S (Department: 3671)

Road structure, process, or apparatus

Traffic director

Vibration inducing member

Reexamination Certificate

active

07731448

ABSTRACT:
A portable rumble strip that is adapted to conform to a roadway having a base portion, grips that adhere to the roadway, and a plurality of vibrators protruding away from the roadway. The vibrators are effective to cause a vibration in a tire when engaged by a moving vehicle and effectively alerting the driver of the vehicle.

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patent: 2003/0194271 (2003-10-01), Solon
patent: 2008/0095575 (2008-04-01), Swamidass

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