Appeared to be very busy in St. Louis today. Was 3rd of 4 units. It was parked on BNSF tracks in downtown Valley Park, down from the old FRISCO hotel (Currently known as the Frisco Store). A BNSF cargo freight was stopped behind it waiting for the tracks to clear to proceed. Tracks go from 2 to 1 when crossing the bridge, and then back to 2. On the opposite side of the bridge some hopper cars were being moved to their destination.