On a roadway divided into lanes, a vehicle shall be driven as nearly as practicable entirely within a single lane and may not be moved from such lane until the driver has first ascertained that such movement can be made with safety. A violation of this section is a Class 2 misdemeanor.

Attorney's Note

Under the South Dakota Laws, punishments for crimes depend on the classification. In the case of this section:
ClassPrisonFine
Class 2 misdemeanorup to 30 daysup to $500
For details, see § 22-6-2

Source: SL 1961, ch 150, § 1 (1); SL 1989, ch 255, § 145.