S.D. Codified Laws § 31-12-42 (2026)
The portion of the county road and bridge fund derived from motor vehicle license collections credited pursuant to § 32-11-4.1 shall be used by the board of county commissioners for constructing and maintaining county highways outside the limits of municipalities, and also for constructing and maintaining secondary roads.
Source: SL 1913, ch 276 , § 32; SL 1915, ch 253 , § 7; RC 1919, § 8664; SL 1919, ch 333 , § 68; SL 1920 (SS), ch 89 ; SL 1925, ch 231 ; SDC 1939, § 28.0313; SL 2018, ch 168 , § 36; SL 2021, ch 125 , § 1.