In all locations in the Borough where official traffic-control signals are installed, pedestrians, except where directed otherwise by pedestrian-control signals installed under Section 444.01, shall obey the directions of such traffic-control signals, as follows:
(a) When facing a green signal, pedestrians may proceed across the roadway within a crosswalk.
(b) When facing a steady yellow signal, no pedestrian shall start to cross the roadway.
(c) When facing a steady red signal, no pedestrian shall enter the roadway.
(1988 Code § 7-3001)