In order to take advantage of a gentler grade, BNSF Intermodal train Z-ATGSBD7-23 crosses from Main 3 (with a 3% grade) to Main 2 at Summit, at an elevation of 3775-feet (1150.62 meters) is an intermodal train that originated on December 23 in Fairburn, Georgia. Its destination is San Bernardino, just another 25? miles (41.03827 km) ahead. BNSF ES44C4 6951, ES44DC 7325 and ES44DC 7850 will battle gravity as the train descends from here on a 2.2% grade to the bottom of the mountain. (Cajon Pass, California – December 27, 2019)
