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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 before and after the hump.
MUTCD W17-1 speed hump ahead From: Manual on Uniform Traffic Control Devices for Streets and Highways - 2003 Edition Category:Road signs in the United States Category:Road signs File usage The following 4 pages use this file:
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.
Half of the speed humps had to be removed because they were too steep, and the contractor couldn’t smooth them out. Kennewick adopts new speed hump rules. Half in this neighborhood had to be ...
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The mixed-case alphabet now called Series E Modified, which is the standard for destination legend on freeway guide signs, originally existed in two parts: an all-uppercase Series E Modified, which was essentially similar to Series E, except for a larger stroke width, and a lowercase-only alphabet.
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