The transportation commission may change the speed limit or the extent of any limited speed zone established under § 32-25-7 at any time it may deem necessary.

Source: SL 1941, ch 187, § 1; SL 1955, ch 168; SL 1959, ch 251, § 1; SDC Supp 1960, § 44.0303 (5); SL 1985, ch 259, § 4.