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

1. (1) U.S. Highway 212 beginning 1.0 mile west of the intersection of U.S. Highway 212 and the Main Street of Eagle Butte, then east for 0.19 mile, 45 miles per hour; then east for 1.66 miles, 35 miles per hour; then east for 0.2 mile, 45 miles per hour;
2. (2) State Trunk Highway 20 beginning 3.79 miles east of the east junction with State Trunk Highway 63, then east for 0.2 mile, 45 miles per hour; then east for 0.45 mile, 35 miles per hour; then east for 0.2 mile, 45 miles per hour;
3. (3) State Trunk Highway 20 beginning 2.87 miles west of the west junction with State Trunk Highway 63, then southwesterly for 0.44 mile, 55 miles per hour;
4. (4) State Trunk Highway 20 and State Trunk Highway 63 beginning 6.80 miles east of the west junction with State Trunk Highway 63 South, then easterly for 0.2 mile, 45 miles per hour; then easterly for 0.5 mile, 35 miles per hour; then easterly and northerly for 0.4 mile, 45 miles per hour;
5. (5) State Trunk Highway 20 beginning 2.58 miles east of the west junction with State Trunk Highway 65, then east for 0.44 mile, 45 miles per hour; then northeasterly for 0.63 mile, 35 miles per hour; then east for 0.2 mile, 45 miles per hour;
6. (6) U.S. Highway 212 beginning 0.29 mile west of its junction with Minnesota Avenue in LaPlant, then east 1.11 mile, 45 miles per hour;
7. (7) U.S. Highway 212 beginning 0.25 mile west of its junction with Bureau of Indian Affairs Road 3, then west 0.65 mile, 55 miles per hour;
8. (8) U.S. Highway 212 beginning 0.1 mile west of its junction with Main Street in Lantry, then east 0.65 mile, 55 miles per hour.

Source: SL 1975, ch 16, § 1; 2 SDR 86, effective June 24, 1976; 5 SDR 91, effective April 29, 1979; 13 SDR 129, 13 SDR 134, effective July 1, 1987; 14 SDR 65, effective November 5, 1987; 22 SDR 165, effective June 2, 1996; 25 SDR 48, effective October 4, 1998; 29 SDR 160, effective June 2, 2003; 33 SDR 43, effective September 19, 2006 ; 47 SDR 58, effective November 30, 2020; 49 SDR 31, effective October 3, 2022 .

General Authority: SDCL 32-25-7 .

Law Implemented: SDCL 32-25-7 .

Prior versions effective: 2020-11-30, 2006-09-19.