There were no major injuries reported when a truck tumbled off an overpass on eastbound Highway 225 in Pasadena, California Thursday.
A passing motorist caught the crash on camera as it happened.
Pasadena police said two 18-wheelers were involved in a crash on the freeway near Red Bluff, but one of the vehicles ended up falling onto the service road below.
It wasn't immediately known how the truck lost control.
Police continue their investigation.