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The North Luzon Expressway's raised plastic transverse rumble strips approaching Balintawak Toll Barrier, Philippines. Rumble strips (also known as sleeper lines or alert strips) are a traffic calming feature to alert inattentive drivers of potential danger, by causing a tactile fuzzy vibration and audible rumbling transmitted through the wheels into the vehicle interior.
A rumble strip can be a series of simple troughs, typically 1 cm (0.4 in) deep and 10 cm (4 in) wide, that is ground out of the asphalt. Other alternatives, similar to the Botts' dots, use raised strips, painted or glued to the surface. A specific form of raised strips using thermoplastic is called profile thermoplastic markings.
Rumble Strips may refer to: Rumble strip, the road safety feature; The Rumble Strips, the British band This page was last edited on 29 December 2019, at 23:58 (UTC). ...
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In some countries major roads have "tone bands" impressed or cut into the edges of the legal roadway, so that drowsing drivers are awakened by a loud hum as they release the steering and drift off the edge of the road. Tone bands are also referred to as "rumble strips", owing to the sound they create. An alternative method is the use of "Raised ...
Permanent VMS displays are mounted on large sign structures overhead or alongside the road. These devices are often placed on urban freeways which have traffic problems. Portable CMS (PVMS) panels are usually mounted on trailers, although some may be carried by trucks. They are often used in work zones or other events that disrupt traffic.
Unlike their smaller cousins, delineators are tall enough to impact not only a vehicle's tires but the vehicle body itself. They usually contain one or more retroreflective strips. They can be round and open in the center or curved (45-degree sections) of plastic with a reflective strip. They are also used in low reflective markers in a "T" shape.
Stop line in Toyokawa, Aichi, Japan Give Way lines in the UK "Shark's teeth" yield lines (white isosceles triangles) as used in the US and many European countries. Stop and yield lines [1] are transverse road surface markings that inform drivers where they should stop or yield when approaching an intersection.