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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 is applied along the direction of travel following an edgeline or ...
Traffic engineers refer to three "E's" when discussing traffic calming: engineering, (community) education, and (police) enforcement.Because neighborhood traffic management studies have shown that residents often contribute to the perceived speeding problem within their neighborhoods, instructions on traffic calming (for example in Hass-Klau et al., 1992 [4]) stress that the most effective ...
Sign next to the Tijeras Musical Road Grooves cut into the asphalt cause passing cars to vibrate, producing a melody. A musical road is a road, or section of a road, which when driven over causes a tactile vibration and audible rumbling that can be felt through the wheels and body of the vehicle.
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A rumble strip is a section of grooved pavement. When driven on, a rumble strip makes the vehicle shake and creates tire noise. It is intended to redirect the driver's attention back on the road. Rumble strips are currently the most effective method to reducing crashes caused by distracted drivers.
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.
The second potential way is to make people aware of specific hazardous areas by use of signage, rumble strips or lighting. The third potential way is to slow traffic physically or psychologically, using chicanes or speed bumps. There are three categories of altering wildlife behavior.
On many roads, the lines are supplemented by reflective raised pavement markers or rumble strips to provide additional visual and tactile feedback to drivers crossing the lines. On freeways in foggy areas of California , there is an obvious break in the line of the shoulder before every exit.