SDCL § 32-26-35: Driving to left on grade or curve--Obstructed view--Violation as misdemeanor.

No person may drive any vehicle on the left side of the roadway when approaching or upon the crest of a grade or a curve in the highway where the driver's view is obstructed within such distance as to create a hazard if another vehicle is approaching from the opposite direction. A violation of this section is a Class 2 misdemeanor.