70 ILCS 1915/20
The Authority may sue and be sued in its corporate name, but execution shall not in any case issue against any property of the Authority. The Authority shall be subject to the jurisdiction of the Illinois Commerce Commission. It may adopt a common seal and change the seal at pleasure. The principal office of the Authority shall be in the Village of Franklin Park, Illinois.
The Authority may enter into contracts for the performance of its objectives, including agreements with other State entities and departments, as well as provide for the letting of construction contracts, consultant service agreements, professional and trade services, and other agreements consistent with the purposes and objectives of the Authority established by this Act. The Authority may accept jurisdictional transfer of public right-of-way for purposes of eliminating at-grade street and railroad crossings.
70 ILCS 1915/20