Enforcement of local speed limits through police monitoring has proven unsuccessful in the town of Ardane. In many nearby towns, speed humps (raised areas of pavement placed across residential streets, about 300 feet apart) have reduced traffic speeds on residential streets by 20 to 25 percent. In order to reduce traffic speed and thereby enhance safety residential neighborhoods, Ardane's transportation commission plans to install multiple speed humps in those neighborhoods.
Which of the following, if true, identifies a potentially serious drawback to the plan for installing speed humps in Ardane?
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AOn residential streets without speed humps, many vehicles travel at speeds more than 25 percent above the posted speed limit.
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BBecause of their high weight, emergency vehicles such as fire trucks and ambulances must slow almost to a stop at speed humps.
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CThe residential speed limit in Ardane is higher than that of the nearby towns where speed humps were installed.
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DMotorists who are not familiar with the streets in Ardane's residential districts would be likely to encounter the speed humps unawares unless warned by s/s and painted indicators
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EBicyclists generally prefer that speed humps be constructed so as to leave a space on the side of the road where bicycles can travel
without going over the humps
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