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Speed hump made of asphalt. A speed hump (also called a road hump, or undulation, [17] and speed ramp) is a rounded traffic calming device used to reduce vehicle speed and thus sound volume on residential streets. Humps are placed across the road to slow traffic and are often installed in a series of several humps to prevent cars from speeding ...
Physical devices include speed humps, speed cushions and speed tables, sized for the desired speed. Such measures normally slow cars to between 16 and 40 kilometres per hour (10 and 25 mph). Most devices are made of asphalt or concrete but rubber traffic calming products are emerging as an effective alternative with several advantages.
For example, speed humps may be more effective than speed bumps in reducing speed, but they can also create noise and discomfort for drivers. Analyzing data from studies and real-world ...
By reducing speeds the environment for and safety of pedestrians was improved with a decline in the "hit pedestrian" crash rate of 51%. "While the enforcement of speed limits by traffic police may not be affordable for most developing countries, rumble strips and speed humps were found to be effective on Ghanaian roads." [44]
Radars on speed limit signs in the neighborhood documents some drivers reaching more than 70 mph. The six speed humps from the southern stretch of the road were removed for now.
Under the Residential Traffic Management Program, government funding is steered to a list of prioritized traffic-calming projects – speed humps and other measures – based on safety data.
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