SDCL § 31-4-153: Interstate Highway 29 Business Loop from Interstate Highway 29 via Elk Point to Interstate Highway 29.

The state trunk highway system includes the following in Union county:

From a point on Interstate Highway 29 southeast of Elk Point north of the southwest corner of section twenty-nine, township ninety-one north, range forty-nine west, thence northwesterly via Elk Point to Interstate Highway 29 on the south line of section thirteen, township ninety-one north, range fifty west.