70 ILCS 3605/30
The Board shall make all rules and regulations governing the operation of the transportation system, shall determine all routings and change the same whenever it is deemed advisable by the Board, subject to the provisions of any ordinance granting rights to the Authority. Except as provided in Sections 2.04 and 4.11(b)(5) of the "Regional Transportation Authority Act, the Board shall fix rates, fares and charges for transportation, provided that they shall be at all times sufficient in the aggregate to provide revenues (a) for the payment of the interest on and principal of all bonds, certificates and other obligations payable from said revenues and to meet all other charges upon such revenues as provided by any trust agreement executed by the Authority in connection with the issuance of bonds or certificates under this Act, (b) for the payment of all operating costs including all charges which may be incurred pursuant to Sections 29 and 39 of this Act and all other costs and charges incidental to the operation of the transportation system, (c) for the payment of all costs and charges incurred pursuant to Sections 37 and 38 of this Act and any other costs and charges for acquisition, installation, construction or for replacement or reconstruction of equipment, structures or rights of way not financed through issuance of bonds or certificates under Section 12 of this Act, and (d) for any compensation required to be paid to any municipality for the use of streets, subways and other public ways. The Board may provide free transportation within any municipality in and by which they are employed for firemen and public health nurses, when in uniform, and policemen when in uniform or, when not in uniform, upon presentation of identification as policemen, and shall provide free transportation to sworn law enforcement personnel of the Cook County Sheriff's Department when in uniform or, when not in uniform, upon presentation of identification as sworn law enforcement personnel of the Cook County Sheriff's Department, and may provide free transportation for employees of the Authority when in uniform or upon presentation of identification as such employees, and may enter into agreements with the United States Post Office Department for the transportation of mail, and the payment of compensation to the Authority in lieu of fares for the transportation of letter carriers, when in uniform at all times.
The Board may also provide free transportation, or transportation at reduced fares, to all or designated classes of pupils in attendance at public schools of school districts within or partly within the territorial limits of the Authority, or in attendance at private schools offering grades of instruction comparable to those offered in public schools, under such conditions as shall be prescribed by the Board, and, if otherwise authorized by law, the Board may contract with public school boards and representatives of private schools, for reimbursement of pupil transportation costs from public funds.
70 ILCS 3605/30