UP ES44AC 8007 leads a Long Beach bound intermodal down the steep track #3 on BNSF's Cajon Pass.
With 5 units holding it back, UP's ISCLB-15 heads down Cajon Pass.
Observing trackage rights over BNSF from just east of Barstow, CA (Daggett) to West Colton, CA, UP's ISCLB-15 has just about completed the trip over Cajon Pass.