Live Chat I-90 Community Nearby Traffic US 18 SD 2024-06-02 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 18 SD Saint Francis, SD 13.95 Parmelee, SD 15.62 Mission, SD 21.16 Interstate highway exits close to US 18 SD Exit 183, i90 73.03 Exit 191, i90 73.91 Exit 163, i90 73.94 Interstate highways close to US 18 SD i90 map 72.75 i80 map 233.34 i76 map 269.83 State roads close to US 18 SD US 18 SD map 9.23 US 83 SD map 17.78 US 20 NE map 33.31