A quartet of Union Pacific SD40-2s, led by 3518, have rounded the last curve into Summit as they crest southern California's Cajon Pass with an eastbound train on January 21, 1984.
Two F45s and an SD45 lift an eastbound Santa Fe piggyback train up Cajon Pass just west of Summit on January 21, 1984. ATSF F45 5973 is the former 5923, and was originally number 1923 when delive... (more)