Interstate 190 (South Dakota)
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| Route information | ||||
| Defined by SDCL §31-4-203 | ||||
| Maintained by SDDOT | ||||
| Length: | 1.72 mi[1] (2.77 km) | |||
| Major junctions | ||||
| South end: |
    I-90 Bus. / US 16 / SD 44 / SD 79 in Rapid City | |||
| North end: |
  I-90 / US 14 / US 16 in Rapid City | |||
| Highway system | ||||
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Interstate 190 (I-190) is an auxiliary Interstate Highway in the U.S. state of South Dakota. The route runs for about 2 miles (3.2 km) south, connecting I-90 to downtown Rapid City. Its length from I-90 to Omaha Street runs concurrent with US 16. It is the westernmost auxiliary route of I-90 (approximately 1,190 miles (1,920 km) east of the highway's western terminus in Seattle, Washington) and its only auxiliary route west of the Mississippi River.
Route description
I-190 begins as West Boulevard and has an intersection with Omaha Street, which is signed as US 16/SD 44. US 16 westbound goes east on Omaha Street and eastbound runs north concurrently with I-190. I-190 then becomes a freeway, with an exit to North Street. I-190 then passes under Anamosa Street before an on-ramp from the northbound lanes of West Boulevard. Both US 16 and I-190 then terminate at a trumpet interchange with I-90/US 14/SD 79.[2]
State law
Legally, the route of I-190 is defined at South Dakota Codified Laws § 31-4-203.[3]
Exit list
All exit numbers begin with 1. Only lettered exits are given. The entire route is in Rapid City, Pennington County.
| mi[4] | km | Exit | Destinations | Notes | ||
|---|---|---|---|---|---|---|
| 0.00 | 0.00 | To I-90 Bus. / West Boulevard | Southern terminus | |||
| 0.43 | 0.69 | US 16 west / SD 44 / Omaha Street – Mount Rushmore | Southern end of US 16 concurrency | |||
| 0.87 | 1.40 | C | North Street – Rushmore Plaza Civic Center | |||
| 1.46 | 2.35 | A–B | I-90 / US 14 / SD 79 – Gillette, Sioux Falls | I-90 exit 57; northbound exit and southbound entrance; eastern terminus of US 16, northern terminus | ||
1.000 mi = 1.609 km; 1.000 km = 0.621 mi
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References
- ↑ "Route Log and Finder List - Interstate System: Table 2". FHWA. Retrieved 2007-10-03.
- ↑ Google (2011-09-07). "I-190" (Map). Google Maps. Google. Retrieved 2011-09-07.
- ↑ "South Dakota Codified Laws - § 31-4-203". South Dakota Legislature. Retrieved 2008-06-25.
- ↑ "Transportation Inventory Management". South Dakota Department of Transportation. Retrieved 2008-06-25.
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