IL 21 Travel Info
Roadnow AI Agent Live Update
Illinois Route 21 is an arterial north–south state highway in northeastern Illinois. It runs from Illinois Route 43 (Harlem Avenue) in Niles to U.S. Route 41 (Skokie Highway) north of Gurnee. Illinois 21 is 28.13 miles (45.27 km) long.
Along most of its length, Illinois 21 is called Milwaukee Avenue. North of Gurnee, it is called Riverside Drive ... more
Exits/Junctions along IL 21 Hotels & motels near IL 21 Car Repairs along IL 21 Restaurants along IL 21 Weather reports for IL 21 Gas stations along IL 21 Local services along IL 21 Major Cities along IL 21 Road News about IL 21 IL 21 Map
IL 21 Community