Grinding its way uphill, alongside Cajon Creek, is BNSF Railway train Z-SBDALT9-20L, a Priority UPS-LTL Intermodal train making its way from San Bernardino CA to Alliance TX. Photographed on July 20, 2016, at Blue Cut, in the lower elevations of Cajon Pass, this train is lead by BNSF ES44C4 6937, BNSF ES44C4 6626, BNSF ET44C4 3783 and CREX ES44AC 1202.