The Illinois Tollway is an administrative agency of the State of Illinois which exists to provide for the construction, operation, regulation, and maintenance of a system of toll highways within the State of Illinois. The Tollway’s main revenue is derived from the tolls it collects from users. The Tollway is also empowered to enter into contracts; acquire, own, use, lease, operate, and dispose of personal and real property, including rights of way, franchises, and easements; establish and amend resolutions, by-laws, rules, regulations, and toll rates; acquire, construct, relocate, operate, regulate, and maintain the Tollway system; exercise powers of eminent domain and condemnation; raise or lower toll rates; and contract for services and supplies, including services and supplies for the various patron service areas on the Tollway system. Tollway funds are not appropriated by the Illinois General Assembly.