BNSF Railway intermodal stack train S-ALTSCO1-25 rounds the curve into Cajon, in the heart of southern California’s Cajon Pass, on a snowy December 27, 2019. This train departed Alliance, Texas... (more)

After a heavy snowfall the day before, BNSF Railway Priority UPS - LTL Intermodal train Z-SBDALT9-27 crosses Cajon Creek as it climbs Cajon Pass in southern California. BNSF ET44C4 3902, ES44C4 7... (more)

UP MWCOG approaches Cajon Summit with the remnants of the Christmas Day snowfall still holding strong.

Snowy Wonderland at Summit - Rail enthusiasts, photographers, and patrons just out enjoying a snow day greet a Northbound UP stack train as it rolls around the curve at Summit. The pass was... (more)

Low clouds and low temperatures cover Cajon Pass as westbound BNSF No. 6656 cuts through the fog.

The BNSF California Division Christmas Train climbs westbound up Cajon Pass on a cold overcast day. Inside the Children enjoy the warm holiday spirits thanks to BNSF.

The BNSF California Division Christmas Train rolls westbound down Cajon Pass on a cold overcast day. Inside the Children enjoy the warm holiday spirits thanks to BNSF.

Winter Wonderland on Cajon - A southbound UP Auto train starts descending upon the snow covered Cajon Pass with another UP manifest off in the background holding the siding for another mani... (more)

Snowball Fight! - A hotshot intermodal bound for Commerce traverses down a snow covered Cajon Pass as a boy prepares to launch a snowball at the unstoppable giant. Unfortunately, his handma... (more)

BNSF 6829 leads an eastbound stack uphill on main 2 through Cajon Pass in the area of the daylighted West Tunnel. On main 1, westbound stacks slide down the hill to the Los Angeles area.

Climbing Cajon Pass, and rounding Sullivan’s Curve in the process, is BNSF Railway train S-LHALPC1-11. On the headend of this intermodal train are BNSF Dash 9-44CWs 4056 and 4592, with the rear... (more)

Passing a lone Joshua Tree on a bright and snowy January 1988 day, Amtrak train 35, the now-discontinued Desert Wind, threads its way through Cajon Pass's Mormon Rocks area on its way from ... (more)

MWCPT heads up the Palmdale Cutoff with a trio of units on the head end.

A fan trip operated by the Union Pacific for the Union Pacific Historical Society (which was having a convention in Ontario CA) finds the railroad’s “Challenger” locomotive, 4-6-6-4 3985, te... (more)

Named for vintage railroad photographer Herb Sullivan, a rancher from Placentia, California, who created iconic photographs of trains on this curve in the 1930s and 1940s, and the curve was later ... (more)