Live Chat I-90 Community Nearby Traffic I 90 Rapid City, South Dakota Traffic 2024-04-25 Roadnow Click for Real Time Traffic Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to I 90 Rapid City, South Dakota Black Hawk, SD 9.99 Piedmont, SD 16.82 Ellsworth AFB, SD 16.99 Interstate highway exits close to I 90 Rapid City, South Dakota Exit 55, i90 2.83 Exit 57, i90 4.44 Exit 58, i90 5.26 Interstate highways close to I 90 Rapid City, South Dakota i90 map 2.83 i25 map 222.29 i94 map 311.85 State roads close to I 90 Rapid City, South Dakota US 14 SD map 2.62 US 16 SD map 4.10 US 385 SD map 16.14