Grinding upgrade on its way east, BNSF ES44C4 4285, ET44C4 3905, ES44C4 8101, ES44C4 7117 and ES44C4 6608 provide the muscle for Priority UPS-LTL Intermodal train Z-LACWSP9-27. A colder-than-usual storm the day before had left a blank of snow all over Cajon Pass, as evidenced by this Los Angeles to Willow Springs IL train passing through Cajon’s iconic Mormon Rocks area on December 27, 2019.