When lane control signals are used in conjunction with official signs, they shall have the following meanings:
(A) Opaque arrow on green, green arrow on opaque background or green alone. Drivers of vehicles facing the signal are permitted to use the lane or lanes over which the signal is displayed, provided no intersection traffic control signal gives a stop indication affecting the lane or lanes involved.
(B) Opaque “X” on red, red “X” on opaque background or red alone. Drivers of vehicles facing the signal are prohibited from using the lane over which the signal is displayed.
('73 Code, § 21-28) (Ord. 62-610, passed 10-1-62)