SAN DIMAS, Calif. --
A multi-vehicle accident involving a propane truck shut down traffic on the 57 Freeway near Arrow Highway in San Dimas Wednesday at approximately 2:20 p.m.California Highway Patrol
officers closed at least three lanes of the southbound 57 at Covina Blvd. By 4:30 p.m., two southbound right-hand lanes were open and two remained closed. At 6 p.m., all lanes of the freeway were open.
According to the CHP, the collision was reported at 2:21 p.m.
At least one propane tank reportedly exploded. Firefighters were called to the scene to extinguish the blaze.
All northbound lanes were opened by 3 p.m.
It was not clear if there were injuries.