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Rumble strips (also known as sleeper lines or alert strips) are a road safety feature to alert inattentive drivers of potential danger, by causing a tactile vibration and audible rumbling transmitted through the wheels into the vehicle interior. A rumble strip is applied along the direction of travel following an edgeline or centerline, to alert drivers when they drift from their lane.How do rumble strips work?
Rumble strips work by making both noise and vibration inside your car. Typically transverse grooves, about 3 inches by 12 inches and spaced 6 inches apart, are cut into the pavement to the right of the travel lane.How do rumble strips help?
Rumble strips, also known as Audio Tactile Line Marking (ATLM), are small raised bumps generally placed on the edge lines and centrelines of roads. Rumble strips help prevent crashes associated with driving tired and distraction . They alert drivers or riders when they are drifting out of their lane by generating a distinct sound and vibration.Who invented the rumble strip?
Named for the narrow-slotted paths on the sides of highways that produce noise and vibrations when weary drivers roll over them, the Rumble Strips were formed by Waller, who grew up in the small town of Tavistock and wanted to follow the lead of his uncle, a musician who played in a rock band.