Mo. Rev. Stat. § 304.301

Current with changes from the 2023 Legislative Session
Section 304.301 - Rules for vehicular traffic controlled by flashing signals - violation, penalty
1. Whenever an illuminated flashing red or yellow signal is used in a traffic sign or signal it shall require obedience by vehicular traffic as follows:
(1) Flashing red (stop signal). When a red lens is illuminated with rapid intermittent flashes, drivers of vehicles shall stop at a clearly marked stop line, but if none, before entering the crosswalk on the near side of the intersection, or if none, then at the point nearest the intersecting roadway where the driver has a view of approaching traffic on the intersecting roadway before entering the intersection, and the right to proceed shall be subject to the rules applicable after making a stop at a stop sign;
(2) Flashing yellow (caution signal). When a yellow lens is illuminated with rapid intermittent flashes, drivers of vehicles may proceed through the intersection or pass such signal only with caution.
2. Notwithstanding the provisions of section 304.361, any person who violates subdivision (1) of subsection 1 of this section is guilty of a class C misdemeanor and any person who violates subdivision (2) of subsection 1 of this section is guilty of an infraction.

§ 304.301, RSMo

L. 1969 S.B. 180 § 4, A.L. 1996 H.B. 1047