Rkpr asks on 1/23/1400: "Why do we have runaway truck ramps in America?"
Trucks that are unable to come to a complete stop on their own may be stopped using runaway truck ramps. The only time a truck driver uses a ramp is if their
hydraulic or engine brakes have failed and they are about to crash. Engineers in the 1960s built the first ramp specifically for runaway vehicles.
Now, states in the mountains look at crash statistics to choose where to build runaway truck ramps. There hasn't been a count of runaway truck ramps since 1990, when there were 170 in 27 states.
In 1980, the state of Pennsylvania published a report on the feasibility of constructing a runaway truck ramp in the Pittsburgh area.
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