S.D. Codified Laws § 32-26-51
Funeral procession--Definitions
(1) "Funeral escort vehicle," an authorized emergency vehicle operating with visible flashing or strobing emergency lights;
(2) "Funeral lead vehicle," any motor vehicle including a funeral hearse that is carrying the remains of a deceased person, leading and facilitating the movement of a funeral procession;
(3) "Funeral procession," two or more motor vehicles, one of which is carrying the remains of a deceased person, including a funeral lead vehicle or a funeral escort vehicle.
Source: SL 2020, ch 125, § 1.