A tractor-trailer and up to three other vehicles were involved in a collision on the northbound Antelope (14) Freeway in Acton today, but no one was believed to be seriously injured reports the Daily News. The accident near Crown Valley Road occurred just before 6 a.m. and was cleared shortly afterward, according to the California Highway Patrol Officer Anthony Martin. Initial reports said a Honda was spotted being driven recklessly just before colliding with the big rig.