Whenever traffic at an intersection is regulated by the type of signal commonly known as a stop and go signal, the following colors shall indicate the following commands.
(A) Red requires that traffic faced by this color shall stop and remain standing.
(B) Green requires that traffic faced by this color shall move and continue in motion, except when stopped for the purposes of avoiding an accident or when stopped at the command of a police officer.
(C) When a red lens is illuminated by rapid intermittent flashes, drivers of vehicles shall stop before entering the intersection.
(D) When a yellow lens is illuminated with rapid intermittent flashes, drivers of vehicles may proceed into the intersection only with extra caution.
(1975 Code, § 20-106) Penalty, see § 70.99