31-4-139.1. U.S. Highway 16B from U.S. Highway 16 to Interstate Highway 90. The state trunk highway system includes the following in Pennington County:
From a point on U.S. Highway 16 near the east-west quarter line of section twenty-six, township one north, range seven east, thence east and northerly to a point on Interstate Highway 90.
Source: SL 1988, ch 232; SL 1994, ch 237, § 1.