The actual collision damage to Reno's truck was light.
That's how it looked when she was done punching it in frustration.
The front of Reno's vehicle crashed into the back of the car in front of her, which had stopped at a red light. Reno's truck was towed and she rented a car from a nearby airport to continue her trip.
Reno was did not immediately return telephone calls, so the reason for her crash could not be determined. source
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I like the way the AP writer makes it sound as if Reno's truck crashed into the other vehicle all by itself, independent of the idiot behind the wheel.