Live Chat I-94 Community Nearby Traffic IL 21 2024-06-05 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to IL 21 Buffalo Grove, IL 3.79 Deerfield, IL 5.49 Vernon Hills, IL 5.73 Interstate highway exits close to IL 21 Exit , i294il 5.53 Exit 29, i94 11.98 Exit 30b a, i94 12.78 Interstate highways close to IL 21 i94 map 3.44 i294il map 5.53 i90 map 16.75 State roads close to IL 21 US 45 IL map 0.12 IL 22 map 1.32 IL 21 map 1.86