SDCL § 31-4-216: State Highway 240 from Interstate Highway 90 via Badlands National Park to Interstate Highway 90.

The state trunk highway system includes the following in Pennington and Jackson counties:

(1) From a point on Interstate Highway 90 west of Wall near the northwest corner of section six, township one south, range sixteen east, thence southerly via Wall to the Badlands National Park boundary south of the northeast corner of section seven, township two south, range sixteen east;

(2) From a point on the Badlands National Park boundary west of the northeast corner of section thirteen, township three south, range eighteen east, thence north to Interstate Highway 90 north of the southeast corner of section twenty-five, township two south, range eighteen east.