Grazed...

 

A new self-driving shuttle bus got off to a bumpy start in Las Vegas.
When the service debuted in the city, one of the driverless vehicles was involved in a collision with a delivery truck, the Las Vegas government said in a statement.

During the incident in downtown Las Vegas, the bus automatically stopped to try avoid an accident after its sensors detected the truck, the city said.

"Unfortunately, the delivery truck did not stop and grazed the front fender of the shuttle," it said. "Had the truck had the same sensing equipment that the shuttle has, the accident would have been avoided."