Live Chat I-57 Community Nearby Traffic IL 21 2024-05-26 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to IL 21 Mundelein, IL 5.22 Lincolnshire, IL 5.73 Libertyville, IL 6.92 Interstate highway exits close to IL 21 Exit , i294il 11.15 Exit 29, i94 17.16 Exit 30b a, i94 18.03 Interstate highways close to IL 21 i94 map 5.59 i294il map 11.15 i90 map 19.80 State roads close to IL 21 US 45 IL map 0.68 IL 60 map 1.19 IL 21 map 2.08