The Brief Crews are working to clear beer cans and kegs following a crash on the westbound lanes of the 210 Freeway in Azusa. The crash involved three semi-trucks and five cars. A crash involving multiple semi-trucks led to a mess on a Southern California freeway during the morning rush hour. What we know:The California Highway Patrol issued a SigAlert for two lanes on the westbound side of the 210 Freeway at the North Vernon Avenue exit in Azusa. Officials said the SigAlert was issued following a crash involving five cars and three big rigs, causing thousands of spilled beer cans and metal kegs to spill onto the roadway.