S.D. Codified Laws § 32-26-2
Current with legislation signed by the governor on or before 3/6/2024
In crossing an intersection of highways or the intersection of a highway by a railroad right-of-way, the driver of a vehicle shall at all times cause such vehicle to travel on the right half of the highway unless such right half is obstructed or impassable. A violation of this section is a Class 2 misdemeanor.
SDCL 32-26-2