An animal trailer overturned after a crash on the 210 Freeway in Sylmar Wednesday, prompting the rescue of several farm animals, the closure of multiple lanes of travel and miles of traffic backup. The collision occurred just before 11 a.m. on the westbound 210 Freeway at Hubbard Street, according the California Highway Patrol’s online traffic incident log. Aerial video showed a Ford F-450 pickup truck that was towing a trailer went up the side of an embankment, and the trailer turned onto its side on the right shoulder.