Union Pacific 4000 HP DASH8-40C leads an intermodal train up the east slope of Cajon Pass on the North track towards Los Angeles. Two SD40-2's wait in the runaround siding after helping Amtrak up the pass. San Diego bound Q-SDX waits on the North track. An aerial view of Sullivan's Curve. The SP is the outside curve, Santa Fe North track is the inside and the South track is lower right close to I-15.
Careful scrutiny reveals the original, tighter alignment of the North track.
An aerial view of the two tunnels on the Santa Fe North track. Parallel tracks are Southern Pacific. BNSF Dash 9 44CW leads a WB just west of Summit. 9 44CW's lead a WB at Lugo. UP WB on the new connector west of Summit.