If an illuminated flashing red or yellow signal is used in a traffic sign or signal, vehicular traffic shall obey such signal as provided by §§ 32-28-7 and 32-28-8 . A violation of this section is a Class 2 misdemeanor. Source: SL 1963, ch 274 , § 3; SL 1989, ch 255 , § 189.
Flashing red or yellow signal--Violation as misdemeanor
SDCL § 32-28-6, under TRAFFIC CONTROL DEVICES.
SDCL § 32-28-6