Live Chat I-55 Community Nearby Traffic I 55 IL Exit 20b, Northbound Traffic 2024-04-19 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I 55 IL Exit 20b, Northbound Edwardsville, IL 4.79 Maryville, IL 5.93 Glen Carbon, IL 8.16 Interstate highway exits close to I 55 IL Exit 20b, Northbound Exit 18, i70 2.18 Exit 18, i55 2.20 Exit 17, i55 2.60 Interstate highways close to I 55 IL Exit 20b, Northbound i70 map 2.18 i55 map 2.20 i270mo map 3.39 State roads close to I 55 IL Exit 20b, Northbound IL 162 map 0.52 US 40 IL map 0.88 IL 159 map 5.87