70 ILCS 3615/3B.08
Any public transportation within the metropolitan region outside of the City of Chicago by commuter rail and within the City of Chicago, public transportation by commuter rail along the line or route provided on the effective date of this amendatory Act of 1983 by the Burlington Northern Inc., the Chicago, Milwaukee, St. Paul, and Pacific Railroad Company, the Illinois Central Gulf Railroad Company, the Norfolk & Western Railway, the Chicago, Rock Island & Pacific Railroad Company, the Chicago and North Western Railroad Company, the Chicago South Shore and South Bend Railroad and the Authority, or their respective successors, other than public transportation provided by the Chicago Transit Authority, shall be subject to the jurisdiction of the Commuter Rail Board.
70 ILCS 3615/3B.08