Interstate 190 (South Dakota)
I-190 highlighted in red | ||||
| Route information | ||||
| Auxiliary route of I-90 | ||||
| Maintained by SDDOT | ||||
| Length | 1.72 mi (2.77 km) | |||
| Existed | 1958–present | |||
| History | Completed in 1962 | |||
| NHS | Entire route | |||
| Major junctions | ||||
| South end | I-90 BL / US 16 / SD 44 / SD 79 in Rapid City | |||
| North end | I-90 / US 14 / US 16 / SD 79 in Rapid City | |||
| Location | ||||
| Country | United States | |||
| State | South Dakota | |||
| Counties | Pennington | |||
| Highway system | ||||
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Interstate 190 (I-190) is an auxiliary Interstate Highway in the US state of South Dakota. The route runs for about two miles (3.2 km) connecting I-90 to downtown Rapid City. The entire route is concurrent with US Highway 16 (US 16).