The following are the maximum speeds on certain highways in Oglala Lakota County:

1. (1) U.S. Highway 18 beginning 0.7 mile northerly from its junction with State Trunk Highway 407; then southerly for 0.2 mile, 50 miles per hour; then southerly for 0.1 mile, 35 miles per hour; then southerly for 0.4 mile, 25 miles per hour; then easterly for 0.5 mile, 25 miles per hour; then easterly for 0.3 mile, 35 miles per hour; then easterly for 1.2 miles, 45 miles per hour;
2. (2) State Trunk Highway 407 beginning at the Nebraska state line, then north 1.4 miles, 55 miles per hour; then north 0.2 mile, 40 miles per hour; then north 0.1 mile, 35 miles per hour; then north to the junction of U.S. Highway 18 in Pine Ridge, 25 miles per hour;
3. (3) U.S. Highway 18 beginning 0.6 mile west of Oglala at milepost 87.70, then east 1.26 miles, 45 miles per hour;
4. (4) U.S. Highway 18 in Batesland, beginning at the Oglala Lakota-Bennett County line, then west 0.07 mile, 45 miles per hour.

Source: SL 1975, ch 16, § 1; 13 SDR 129, 13 SDR 134, effective July 1, 1987; 22 SDR 165, effective June 2, 1996; 23 SDR 132, effective February 27, 1997; 30 SDR 89, effective December 7, 2003; 34 SDR 303, effective June 9, 2008; SL 2015, ch 56, § 1, effective May 1, 2015; 44 SDR 95, effective December 5, 2017.

General Authority: SDCL 32-25-7.

Law Implemented: SDCL 32-25-7.

Prior versions effective: 2015-05-01, 2008-06-09.