70 ILCS 3615/3A.03
The initial term of the directors appointed pursuant to subdivision (a) of Section 3A.02 shall expire on June 30, 1985; the initial term of the directors appointed pursuant to subdivisions (b) through (g) of Section 3A.02 shall expire on June 30, 1986. Thereafter, each director shall be appointed for a term of 4 years, and until his successor has been appointed and qualified. A vacancy shall occur upon the resignation, death, conviction of a felony, or removal from office of a director. Any director may be removed from office (i) upon the concurrence of not less than 8 directors, on a formal finding of incompetence, neglect of duty, or malfeasance in office or (ii) by the Governor in response to a summary report received from the Executive Inspector General in accordance with Section 20-50 of the State Officials and Employees Ethics Act, provided he or she has an opportunity to be publicly heard in person or by counsel prior to removal. Within 30 days after the office of any director becomes vacant for any reason, the appointing authorities of such director shall make an appointment to fill the vacancy. A vacancy shall be filled for the unexpired term. The initial directors other than the chairman shall be appointed within 180 days of November 9, 1983.
On June 1, 1984 the seat of any Director of the Suburban Bus Board not yet filled shall be deemed vacant and shall be chosen by the election of all the legislative members of the General Assembly representing the affected area. In order to qualify as a voting legislative member in this matter, the affected area must be more than 50% of the geographic area of the legislative district.
70 ILCS 3615/3A.03