Chicago Transit Authority

Transit agency in Chicago, Illinois

The Chicago Transit Authority (CTA) is a public transit agency in Chicago, Illinois, United States and one of the three service boards of the Northern Illinois Transit Authority (NITA). It operates the Chicago "L" rapid transit system and CTA bus services. The CTA was established as an independent governmental agency by the Metropolitan Transportation Act passed by the Illinois General Assembly on April 12, 1945.

From Wikipedia, under CC BY-SA. More on occurri.