One semitruck is barreling down a steep hill on a mountain highway and is apparently without brakes as it elects to take a runaway truck ramp to put an end to the predicament. But there is one problem: There is already a truck on the ramp from a very recent emergency stop.
TikTok user @daily_dose_of_stem posts the below video that unveils what happens next as the driver of the first truck runs to flee the impending danger.
WATCH VIDEO HERE
TikTok user @toosquare comments with a little dark humor, "There was still room for one more."
Runaway ramps began to appear on major highways in the mid-1960s in mountainous regions, mostly in the western states.
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Car and Driver offers a few details about runaway truck ramps that are of general interest.
- Also called “truck escape ramps”—or in Britain, “escape bays”—they rely on the additional friction created by gravel or sand and, usually, the gravitational slow-down effect of an incline to stop runaway vehicles. Aircraft-carrier-type arresting cables with netting have been used in lieu of ramps, but they require more maintenance.
- By 1990, there were reportedly 170 runaway ramps in 27 states. Current data is scarce, but a 1981 NHTSA study notes there had been 2450 runaway-truck incidents that year, with 2150 of those involving the use of ramps.
- States determine where ramps are constructed, based on such parameters as: runaway-truck accident rate at a candidate grade; length and percent of slope; traffic volume and percent of heavy-truck traffic; and conditions at the grade’s end, e.g., a sharp bend, a building, etc.
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