About 5:16 a.m., e.d.t., on October 1, 1979, Consolidated Rail Corporation (Conrail) eastbound freight train ALPG-2 struck the rear of standing Conrail eastbound freight train APJ-2 on the No. 2 main track near Royersford, Pennsylvania. The engineer and conductor of ALPG-2 were killed. The locomotive unit of ALPG-2 was derailed and destroyed. The caboose of APJ-2 and a total of 20 cars were derailed. Damage was estimated to be $562,000.