About 8:36 a.m. on May 7, 1986, Boston and Maine Corporation commuter train No. 5324 struck the rear of Conrail train TV-14 standing on Consolidated Rail Corporation's (Conrail) No. 2 main track, at Brighton, Massachusetts. The locomotive and head cars of train TV-14 had entered Conrail's Beacon Park Yard at Brighton; the last 10 cars of the train were not in the yard, but were extending through an interlocking plant and about 6 of the ears were standing on the No. 2 main track in a 2 8' curve to the right. Of the 550 passengers and 5 crewmembers on the commuter train, 149 passengers and 4 crewmembers were injured. The crewmembers of train TV-14 were not injured. The combined equipment damage was estimated to be $102,210.