An ex-SP AC4400 assists a Portland bound manifest upgrade on Cajon Pass.

UP 4014 made a service stop just after exiting the BNSF main lines at Silverwood in Cajon Pass.

As a westbound double-stack train begins its descent down Cajon Pass, an eastbound piggyback train is about done with its ascent as it rounds the last curve into Summit on October 12, 2019. BNSF ... (more)

A beautifully restored piece of Union Pacific heritage built in 1941 meets a more modern piece of BNSF power ES44C4 No. 8048. Westbound Union Pacific No.4014 drifts downhill out of Sullivans Curve... (more)

The Big Boy locomotive climbs up the Cajon Pass as all 23 passenger cars snake along the twists and turns behind it. To the background, Swarthout Canyon Road has become a parking lot as spectators... (more)

Passing through a Cajon Pass landmark, the Mormon Rocks (created by the San Andreas Fault) is Union Pacific “Big Boy” 4014, leading a 23-car passenger train from Barstow to the railroad’s We... (more)

UP 4014 leads the eastbound rail giants special up Cajon Pass near Silverwood on the Mojave Sub.

Union Pacific No. 4014 turns full power as it crosses over from the Palmdale cutoff to the BNSF Cajon Sub at Silverwood just before it crests the summit of the famed Cajon Pass.

Union Pacific No. 4014 pulls the eastbound Rail giants Museum Excursion Train up the Hill around Alray and past the site of the old West Tunnel that was Daylighted in 2008. Quite the train with UP... (more)

A westbound Union Pacific grain train passes Martinez Siding, signaling that its climb up the east side of Cajon Pass is about done as Summit is just three miles ahead. This train is powered by s... (more)

Cajon Pass in 2000.

With a trio of Dash 9's on the head another BNSF Intermodal train heads west through Cajon Pass

In 1990, the Danish shipping company Mærsk contracted with the Santa Fe Railway to paint one of their new GP60M locomotives into a special paint scheme to be used for filming footage for promotio... (more)

A Union Pacific westbound mixed freight with head end coal and some interesting dogs breakfast eastern power passes the distinctive "Morman Rocks" on the south track off the pass on a warm April a... (more)

On New Years Eve '92, four less than year old C40's led daily Los Angeles to Kansas City train 893 up Cajon Pass with the snow covered San Gabriel's in the distance.