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.
S.D. Codified Laws § 32-26-6
Lane driving required--Changing lanes--Violation as misdemeanor
Applied in 8 court decisions — leading case Dartt v. Berghorst (1992)
Most recently applied in Weiland v. Bumann (February 2025)
Source: SL 1961, ch 150, § 1 (1); SL 1989, ch 255, § 145.
How often courts cite this section
Court decisions citing this, by year. The dip in the last several years is a data-coverage gap, not a real trend — our corpus holds fewer opinions from the most recent years, so recent citations are undercounted.
Official source: South Dakota Legislature. Reproduced from public-domain South Dakota statutes; confirm against the official source for the current text. Not legal advice.