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

1. (1) All roads within the Indian Memorial Park, 20 miles per hour;
2. (2) U.S. Highway 12 beginning 0.45 mile northwest of the junction of State Trunk Highway 63 in McLaughlin, then southeast for 0.2 mile, 50 miles per hour; then southeast for 0.5 mile, 35 miles per hour; then southeast for 0.2 mile, 50 miles per hour;
3. (3) State Trunk Highway 63 beginning at the junction with U.S. Highway 12 in McLaughlin, then north for 0.3 mile, 35 miles per hour; then north for 0.15 mile, 45 miles per hour;
4. (4) State Trunk Highway 63 beginning at the junction with U.S. Highway 12 in McLaughlin, then south for 0.64 mile, 30 miles per hour; then south for 0.2 mile, 45 miles per hour; then southerly for 9.01 miles, 55 miles per hour; then southerly for 0.44 mile, 35 miles per hour; then southerly to the junction with State Trunk Highway 20, 55 miles per hour;
5. (5) U.S. Highway 12 in McIntosh beginning 0.5 mile west of the junction with State Trunk Highway 65 north, then west for 0.6 mile, 45 miles per hour;
6. (6) State Trunk Highway 1806 beginning at its west intersection with U.S. Highway 12, then south 3.68 miles, 55 miles per hour;
7. (7) State Trunk Highway 1806 beginning at its east intersection with U.S. Highway 12, then north 22 miles to a point 0.2 mile south of its termination, 55 miles per hour; then north for 0.2 mile to its termination, 35 miles per hour;
8. (8) U.S. Highway 12 beginning 0.35 mile west of the east junction with State Trunk Highway 1806, then east to the Walworth County line, 55 miles per hour.

Source: SL 1975, ch 16, § 1; 3 SDR 62, effective March 15, 1977; 13 SDR 129, 13 SDR 134, effective July 1, 1987; 16 SDR 137, effective February 28, 1990; 18 SDR 134, effective February 24, 1992; 19 SDR 89, effective December 21, 1992; 22 SDR 165, effective June 2, 1996; 26 SDR 58, effective November 2, 1999; 26 SDR 161, effective June 11, 2000; 29 SDR 160, effective June 2, 2003; 33 SDR 43. effective September 19, 2006; 33 SDR 63, effective October 18, 2006 ; 49 SDR 31, effective October 3, 2022 .

General Authority: SDCL 32-25-7 .

Law Implemented: SDCL 32-25-7 .

Prior versions effective: 2006-10-18.