Navigating through the S-curve at Fullerton Junction (where Metrolink's Orange Sub diverts from BNSF's San Bernardino Sub) is BNSF Railway train Z-LACWSP7-18A, moving 73 loaded intermodal cars from Los Angeles CA to Willow Springs IL. One of BNSF's ten 25th Anniversary locomotives, ES44AC 6111, is teamed with a trio of Dash 9-44CWs (1011, 4080 and 5377) to move this high-priority UPS; Expedited Intermodal train to Chicago as quickly as possible. (Fullerton, California – March 18, 2023)