Types Of Rumble Strips
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 the wheels into the vehicle interior. It can grind pavement markings cut grooves for in laid pavement markings and cut rumble strips and plunge cuts. Atm permanent series 300 300c 400 preformed polymer tape specifications meets or exceeds astm d4505 standard specification for preformed retroreflective pavement marking tape for extended service life. Types of rumble strips . The grooves alert drivers by causing the vehicles wheels to noisily and suddenly vibrate when it leaves the driving lane. Wsdot began installing rumble strips on undivided highways in 1999 as a countermeasure for roadway departure crashes. 616