Thirteen miles (21 km) east of Flagstaff, BNSF Railway intermodal train S-LBEALT1-03L was held on the Seligman Sub's Track 1, facing westbound train Z-ALTLAC5-05A (also on Track 1) while eastbound train Z-ATGSBD8-02A traveled west one Track 2. This eastbound was then able to cross over to Track 2 at the Darling crossover so it could continue its eastward trip from Long Beach CA to Alliance TX. BNSF ES44DC 7421, Dash 9-44CW 5048 and ES44AC 5984 are on the headend, with ET44AC 3853 and ES44DC 7498 as the rear Distributed Power Units.
