Interstate Highway 90 Business Loops at Oacoma, Chamberlain, and Mitchell

The state trunk highway system includes the following in Lyman, Brule, and Davison counties: (1) From a point on Interstate Highway 90 at Oacoma, thence northeasterly via Oacoma and Chamberlain to State Highway 50; (2) From a point on Interstate Highway 90 at Mitchell exit number 332, thence north to State Highway 38 and west via Mitchell to State Highway 37. Source: SL 1984, ch 209 , § 58; SL 1990, ch 225 , § 2; SL 1994, ch 237 , § 3; SL 1999, ch 147 , § 2.