Northbound empty CWEX (Commonwealth Edison Company, an Illinois powerplant) coal train at the bridge just south of Bill hopper car shops, approx. milepost 88.5, headed by UP 6743 (GE AC4400CW) + UP 7047 (GE C44/60CW) + helpers UP 6347 (GE AC4400CW, ex-SP)+ UP 5772 (GE AC44CCTE), March 26, 2007, 17:25.