BNSF ES44DC #7429 and another GEVO head over Cajon Pass at Sullivan's Curve as a power move. The two units are heading to the L.A. Basin to assist a stack train.

Union Pacific #7423 drifts east bound down the hill to southern California in Cajon Pass.

Big Boy 4014 rounds the curve to crest Cajon Summit as it makes its way home to Cheyenne.

Union Pacific #8323 pulls a east bound mixed uphill through the curves in Cajon pass.

A BNSF intermodal works hard as rounds the bend to crest Cajon Summit.

SD 70 M 4014 pulls the Union Pacific 4-8-8-4 while SD 70 M 4844 pushes. The Hospital Train is rounding Sullivans Curve on its way to Cheyenne Wyoming for restoration.

The long awaited trip of Union Pacific 4014 to Cheyenne Wyoming for restoration. Shown climbing out of southern California thru the Cajon Pass on the first leg.

SD 70 M 4014 pulls the Union Pacific 4-8-8-4 while SD 70 M pushes. The Hospital Train has rounded Sullivans Curve in Cajon pass on its way to Cheyenne Wyoming for restoration.

It is a cold winter morning as Union Pacific 3596 and UP 2478 near the summit in Cajon Pass.

BNSF ES44DCs #7429 and #7787 run light over Cajon Pass at Sullivan's Curve. This pair of GEVOs would later be seen shoving a stack train east at Swarthout Canyon Rd.

Union Pacific SD70Ms #4574 and #4099 lead a Z-train over Cajon Pass at N. Cajon Blvd. on BNSF's Cajon Subdivision on trackage rights.

UP 3423 leads a train of auto racks through Cajon Pass, into the setting sun, in 2000.

From high above the tracks at Drawbar Flats between Pine Lodge and Sullivan's Curve, BNSF Business special O-TOPSDG1-21A heads down Main 1 as it descends Cajon Pass.

UP 7935 leads a northbound train up the Mojave sub (a.k.a. the Palmdale cut-off) through the Mormon Rocks region in Cajon Pass. To the right while the Union Pacific train was making its way up th... (more)

BNSF 7522 lead a train up BNSF main 2 in the day in Cajon Pass as the low cloud cover begins to burn off.