A split-phase pedestrian head traffic signal having directional light beams
and a variable beamwidth. The pedestrian heads are selectively controlled
such that half-way through a control cycle, a pedestrian half-way across
the street may see a "walk" signal, while a pedestrian still at the far
side of the street will actually see a "stop hand" signal. A pair of
pedestrian heads each having a split-phase facilitate the beam steering
such that the appropriate walk or stop hand signal are viewed by the
pedestrian at the appropriate location. An area array of LEDs in
combination with a Fresnel lens is selectively controlled such that light
generated from the respective head can be directed toward different
positions of the street for informing pedestrians at different locations
attempting to cross the street.