This prevents the vehicles from overusing their brakes, which may overheat and cause a runaway vehicle.

Mr. Perez, he said, "was a captive of a runaway vehicle."

The brakes failed on an ambulance in which Mother Teresa was riding today, and two people were killed when the runaway vehicle hit them, the police said.

"I've just been struck by a runaway vehicle," she raged.

In either case, the runaway vehicle could collide with a train further down the slope, causing a serious accident.

He narrowly survives attacks by gunslingers, snakes, and runaway vehicles.

But the runaway vehicle speeding down the M6 looked nothing like a normal Longhound.

This type of episode usually had a cheap, mechanical cliffhanger, like a time bomb rather than being unconscious in a runaway vehicle.

They are used to prevent runaway vehicles colliding with another train further down the slope.

In some cases, catch points lead into a sand drag to safely stop the runaway vehicle, which may be travelling at some speed.