As used in this chapter:
(1) "Construction" means the function of constructing or reconstructing a sidewalk with or without curb and gutter and includes land acquisition and engineering or inspection as defined by the rules and regulations of the department.
(2) "Curb and gutter" means the area between the roadway and sidewalk designed for water runoff and providing a barrier for safety of pedestrian and vehicular traffic.
(3) "Participating municipality" means a city of the third, fourth, or fifth class or a town.
(4) "Pedestrian and bicyclist safety device" means a device or method appurtenant to a roadway designed to foster the safety of pedestrian or bicyclist traffic including sidewalks, curbs, gutters, pedestrian overpasses, pedestrian crossings, bicycle lanes, multi-use paths, median islands, curb extensions, barriers, and changes in street alignment.