70 ILCS 5/22.2
The Rail Authority shall also have the power to provide non-rail transportation services within the Counties, which may consist of shuttle bus service to or from an airport, needed storage facilities, and facilities to load, unload, or transfer freight from one mode of transportation to another such mode related to rail or highway transportation and any needed access roads for that service, as the Board of Directors shall determine are appropriate to advance economic development in the Counties. All property or facilities necessary or useful for such related transportation or economic development services are referred to in this Act as "related facilities". The Authority, in providing rail related facilities, may not operate or perform as a rail carrier.
70 ILCS 5/22.2