A fresh coating of snow from the first cold storm of the season blankets Summit, at the top of California's Cajon Pass, on New Year's Eve 2014. A westbound BNSF Railway double-stack train, Z-LPKL... (more)

A Union Pacific double-stack train, the super hot ZLADV 31, rounds the last curve before Summit, on southern California's Cajon Pass, on New Year's Eve 2014. A cold storm the night before has lef... (more)

Red and silver Santa Fe 90 and three blue and yellow sisters near Cajon Summit with a hot Chicago to LA piggy-back train.

CP 9510 brings up the rear of a Westbound Long Beach bound stack train as it leaves Summit for the trip down Cajon Pass.

Passing the Summit of Cajon Pass, UP 8912 west leads its train towards West Colton.

A 7 hour late Southwest Chief begins its decent down Cajon Pass at Summit with an NS leader on the point.

BNSF Railway ES44AC, a rare visitor west of Barstow, leads train Q-LACSTL1-27V (Guaranteed Service Intermodal; Los Angeles CA to St Louis MO) aorund the big curve at Summit - the top of southern C... (more)

Union Pacific "Big Boy" 4014 is finally heading home to Cheyenne, Wyoming, for restoration to operable condition. Train PWCYR2 28 (Passenger, West Colton Yard CA to Yermo CA) departed W... (more)

An empty Union Pacific coal train approaches the top of Cajon Pass at Summit, California, on March 31, 2010.

The WP Heritage Unit leads UP's Salt Lake City-Long Beach intermodal ISCLB through Cajon Summit with a nice mostly-EMD consist.

The eastbound Daygo manifest (San Deigo,CA to Barstow, CA) battles up the two percent grade of Cajon Pass as it reaches the summit on a cool November morning.

Eastbound Santa Fe train cresting the Cajon grade at Summit

Having made it to the top. 2892 will remain on the train for braking until they get to Victorville.

Cresting the summit of southern California's Cajon Pass is Amtrak train #35, the Desert Wind, heading from Salt Lake City, Utah, to Los Angeles on December 29th, 1979. F40PHRs 290 and 289 ... (more)

Four BNSF GEs are pulling over 8,000 feet of UPS mail out of the LA Basin as they head up and over Cajon Pass. And yes, that is the rear end of the train in the background.