UP AC4400CW 6755 brings up the rear of a Long Beach bound coal train heading west for Cajon Pass.
Operating on trackage rights, UP SD70ACe 8356 leads UP coal train CWELB-08 (BNSF F CWELB01 08) west over the natural crossover between Frost and Hesperia on BNSF's Cajon Sub.
A heavy coal train off the UP heads towards Cajon Pass and Long Beach, CA passing the natural crossovers.