Live Chat AI Agent Community US 18 SD 2024-05-24 Roadnow click anywhere on map to find more poi nearby Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to US 18 SD Allen, SD 24.27 Tuthill, SD 25.35 Long Valley, SD 32.96 Interstate highway exits close to US 18 SD Exit 143, i90 68.18 Exit 150, i90 69.56 Exit 152, i90 71.24 Interstate highways close to US 18 SD i90 map 68.18 i80 map 234.23 i76 map 251.05 State roads close to US 18 SD US 18 SD map 3.18 SD 73 map 8.39 US 20 NE map 33.63