Illinois State Route 171 runs north-south in North-Central Will County. This highway runs along the eastern banks of the Des Plaines River, from Downtown Joliet to the Will/Cook County Line. IL St Rt 171 passes through the following towns in Will County. Homer Glen Lockport
A set of BGS's on NB I-355. A BGS on NB I-355. A Will County mile marker. This is the only one. A street sign on the stop-light arm at the IL St Rt 7/171 intersection in Lockport. NB IL St Rt 171 at south of Division in Lockport. SB IL St Rt 171 just south of Lockport. SB IL St Rt 171 north of Joliet. SB IL St Rt 171 at the Joliet City Limits (the railroad overpass). Just inside the city limits, is the Joliet Correctional Center (Collins Street Prison). SB IL St Rt 171 at the Joliet Correctional Center. The prison is on both sides of the highway. A junction marker on EB U.S. Rt. 6. Southern end at U.S. Rt. 6 in Joliet. The southern end marker in Joliet.
