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Virginia crash data indicates that the severity of Injury and the risk of fatality increases as speed increases, according to John T. Hanna, director, Highway Safety Division of Virginia.
In 1971 the fewest number of accidents occured at speeds of 71 miles per hour and over, however, 158 motorists were killed in this speed range, the largest number in any speed category.
“High speed aggravates the severity of the crash,” Hanna continued, “and in most cases increased speed means increased chances for fatal crashes. A total of 384 persons were killed on Virginia highways last year in accidents where the speed limit was exceeded.”
Speeds which are excessive for prevailing operational conditions underlie a great proportion of motor vehicle crashes, according to the safety official. There is no one safe speed for all circumstances.
“Traffic, weather, highway surfaces, time of day, pedestrians, the physical condition of the driver and his ability to react all determine whether the posted speed limit is a safe speed for circumstances,” Hanna said. Safety tests have shown
94.5%