Live Chat AI Agent Community Johnston Iowa Traffic 2024-04-26 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Johnston Iowa Urbandale, IA 4.94 Grimes, IA 6.23 Des Moines, IA 6.57 Interstate highway exits close to Johnston Iowa Exit 129, i80 2.91 Exit 129, i35 2.92 Exit 131, i80 3.01 Interstate highways close to Johnston Iowa i80 map 2.91 i35 map 2.92 i680ne map 156.58 State roads close to Johnston Iowa IA 28 map 3.01 IA COUNTY R6F map 3.28 IA 141 map 4.70