Live Chat I-80 Community Nearby Traffic Johnston Public Safety Building (Amenity police) 2024-05-22 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Johnston Public Safety Building (Amenity Police) Urbandale, IA 4.94 Grimes, IA 6.23 Des Moines, IA 6.57 Interstate highway exits close to Johnston Public Safety Building (Amenity Police) Exit 129, i80 2.91 Exit 129, i35 2.92 Exit 131, i80 3.01 Interstate highways close to Johnston Public Safety Building (Amenity Police) i80 map 2.91 i35 map 2.92 i680ne map 156.58 State roads close to Johnston Public Safety Building (Amenity Police) IA 28 map 3.01 IA COUNTY R6F map 3.28 IA 141 map 4.70