Forest Park  (Des Plaines) to Franklin Park

From the end of the former B&OCT, which makes an end-on junction with the former Wisconsin Central at Madison Street in Forest Park (MP 11.0), the line heads just west of due north, single track, CTC, maximum speed 30 mph, past a bridge over Washington Boulevard, a bridge over the C&NW West line, bridges over Lake Street, Oak Street and Chicago Avenue, MP 12, River Forest, where the line turns northwest, grade crossings with Forest Avenue, Augusta Avenue and Keystone Avenue, Intermediate Signals at MP 12.4/.5, a grade crossing with Thatcher Avenue, a bridge over the Des Plaines River, MP 13, a grade crossing with 1st Avenue, a bridge over North Avenue, and a grade crossing with 5th Avenue (River Road), Intermediate Signals at MP 13.8/.9, a turn just west of due north, a grade crossing with George Street, a north-facing spur on the east side, a grade crossing with Fullerton Avenue, a grade crossing with Grand Avenue right at  a connector from the Indiana Harbor Belt trailing in on the west side, and the flat crossing with the triple-track Milwaukee West line, with double-track northeast quadrant connector, at Tower B 12 (MP 15.5).