In this Division 2, the following terms have the meaning ascribed to them unless the context indicates otherwise:
"Municipality" means any city, village or incorporated town which comes within the scope of this Division 2 as determined by the provisions of Section 9-2-1.
"Work" means labor performed or material used, or both, as the corporate authorities may determine.
"Subways" means all tunnels, entrances, exits, passageways, connections, approaches, inclines, elevators, stations and other structures, equipment, appliances or appurtenant property appropriate to a system of subways.
"Pedestrian Mall" means one or more streets, or portions thereof, on which vehicular traffic is or is to be restricted in whole or in part and which is or is to be used exclusively or primarily for pedestrian travel.
"Prime Commercial Rate" means such prime rate as from time to time is publicly announced by the largest commercial banking institution located in this State, measured in terms of total assets.
65 ILCS 5/9-2-2