As used in this chapter, the following words shall have the following meanings:

(1) Handicapped pedestrian - A pedestrian, or person in a wheelchair, who has limited mobility, stamina, agility, reaction time, impaired vision or hearing, or who may have difficulty walking, with or without assistive devices.

(2) Curb ramp - An interruption in a curb with a ramp from roadway to walk which forms a part of the accessible route of travel, no part of which projects into the roadway. It includes a center ramp and two shoulder slopes.

(3) Center ramp - The sloped surface providing pedestrian access to the roadway.

(4) Shoulder slope - The sloped flared sides on each side of the center ramp, providing a gradual incline from the edge of the center ramp to the sidewalk.

(5) Landing - A level area at least as wide as and, as long as, the width (except as otherwise provided), and within or at a terminus of, a stair or ramp, but not less than 5"['] 0" in width.

(6) Main pedestrian path - The walkway used by the pedestrian traffic clear of utility poles, signs, and parking meters.