Rumble strips, also known as sleeper lines, alert strips, audible lines, sleepy bumps, wake up calls, growlers, drift lines, and drunk bumps, are a road safety feature to alert inattentive drivers of potential danger, by causing a tactile vibration and audible rumbling transmitted through thewheels into the vehicle interior. A rumble strip is applied along the direction of travel following an edge line or centerline, to alert drivers when they drift from their lane. Rumble strips may also be installed in a series across the direction of travel, to warn drivers of a stop or slowdown ahead, or of an approaching danger spot. It is also used as a speed moderator or lane divider on roadways They alert distracted or drowsy drivers that they are leaving the roadway or crossing the centerline of the road, they are narrower and outside of the wheel paths.
Temporary or permanent installation
Durable and versatile low profile construction
It can secure either into asphalt or into concrete
Anchor fastening system for ease of installation and stabil-ity
Easy maintenance: not rusts, not chips, not cracks, not crumbles, not corrodes, not needs repainting