Union Pacific ES44AC 7400 and its train are not far from Cajon Pass' Summit on April 21, 2018. Just ahead is Lugo, the end of triple track on the BNSF Railway's line over the gap between the San Gabriel Mountains (the range's 8,693' Ontario Peak is in the background) and the San Bernardino Mountains. Lead locomotive 7400 wears a pink ribbon for breast cancer awareness, and is followed by UP SD70ACe 8557, UP Dash 9-44CW 9771 and Norfolk Southern ES40DC 7711 (with UP AC4400CW 6306 as the rear DPU).