S.D. Codified Laws § 32-20B-2
Operation on sidewalk or crosswalk--Rights of bicyclist--Duty to stop
A person operating a bicycle upon and along a sidewalk, or across a roadway upon and along a crosswalk, shall have all the rights and duties applicable to a pedestrian under the same circumstances, except as provided in § 32-20B-3 , and except that bicyclists must stop before entering a crosswalk or highway from a sidewalk or sidewalk area.
Source: SL 1982, ch 226, § 4.