(A) Whenever traffic is controlled by traffic-control signals exhibiting different illuminated colored lights, or controlled with illuminated arrows, the following colors only shall be used and the terms and lights shall indicate and apply to operators of vehicles, streetcars and trackless trolleys, and pedestrians as follows:
(1) Circular green alone or “go” signal.
(a) Pedestrians facing the signal may proceed across the roadway within any marked or unmarked crosswalk unless directed otherwise by a pedestrian signal or a traffic-control device.
(b) All other traffic facing the signal except as provided under § 72.018 may proceed straight through or turn right or left, unless a sign at such place prohibits such turn. But such traffic shall yield the right-of-way to vehicles, streetcars and trackless trolleys lawfully within the intersection and to pedestrians lawfully within a crosswalk at the time such signal is exhibited.
(2) Circular yellow alone or “caution” when shown following the green or “go” signal.
(a) No pedestrian facing such signal shall enter the roadway.
(b) All other traffic facing the signal is warned that the red or “stop” signal will be exhibited immediately thereafter, and that pedestrians proceeding in accordance with the traffic-control signals shall have the right-of-way.
(3) Circular red alone or “stop” signal.
(a) No pedestrian facing such signal shall enter the roadway.
(b) All other traffic facing the signal shall stop before entering the intersection and shall remain standing until authorized to proceed by a traffic-control device.
(4) Green arrow signal or a traffic-control device authorizing turn with red or “stop” signal.
(a) No pedestrian facing such signal or device shall enter the roadway.
(b) All other traffic facing such signal or device may cautiously enter the intersection only to make the movement indicated by the green arrow or device, and shall yield the right-of- way to pedestrians lawfully within a crosswalk and to other traffic lawfully using the intersection.
(5) Green arrow signal alone.
(a) Pedestrians facing a vertical green arrow signal may proceed across the roadway within any marked or unmarked cross-walk unless directed otherwise by a pedestrian signal or a traffic-control device.
(b) All other traffic facing such signal may enter the intersection to make the movement indicated by such arrow, but shall yield the right-of-way to pedestrians lawfully within a cross-walk and to other traffic lawfully using the intersection.
(6) Simultaneous display. Where more than one traffic-control signal or device is shown simultaneously, vehicular traffic shall comply with the traffic-control signal or device applicable to the traffic lane and direction in which it is proceeding or about to proceed.
(7) Signal change while in intersection. Any traffic lawfully upon the roadway within an intersection at the time a traffic-control signal changes may continue cautiously through the intersection with due regard for the safety and rights of all persons using the roadway.
(B) Whenever it is necessary to indicate and control the direction of travel in a traffic lane or lanes of a street or highway for the purpose of reversing the direction of traffic in the lane, rectangular signal units shall be placed over each reversible lane and shall apply to operators of vehicles and trackless trolleys as follows.
(1) Rectangular signal unit with downward pointing illuminated green arrow. Traffic facing such signal may travel in the lane over which the green arrow is shown.
(2) Rectangular signal unit with an illuminated red “x”. Traffic facing such signal shall not enter or travel in any lane over which the “x” signal is shown.
(Prior Code, § 7.01.11)