SDCL § 31-4-159: State Highway 38 from Interstate Highway 90 Business Loop in Mitchell to Marion Road in Sioux Falls.

The state trunk highway system includes the following in Davison, Hanson, McCook, and Minnehaha counties.

From a point on Interstate Highway 90 Business Loop in Mitchell, thence easterly via Mitchell, Salem, Montrose, Humboldt, and Hartford to a point on Marion Road in Sioux Falls.