Union Pacific SD70M 4237 - Summit, CA - October 28, 2008.

Union Pacific Gallery

UP 4237 starts downhill at Summit, CA passing a BNSF stack train on October 28, 2008.

Union Pacific SD70M 4237 starts down Cajon Pass at Summit, CA on the original main line. Meanwhile the BNSF stack train on the new 3rd main is heading uphill toward summit on October 28, 2008.

Canon 50D - 1/800sec - f/8.0 - ISO 200 - EF24-105mm f/4L IS lens @ 40mm. (eff 64mm)