Adams/Wabash is an 'L' station serving the CTA's Brown, Green, Orange, Pink, and Purple Lines. Until 1963, it also served interurban trains of the Chicago North Shore and Milwaukee Railroad. It is the closest CTA station to Symphony Center, home of the Chicago Symphony Orchestra, and the Art Institute of Chicago.

The Chicago Transit Authority (CTA) is the operator of mass transit in Chicago, Illinois, United States, and some of its suburbs, including the trains of the Chicago "L" and CTA bus service. In 2023, the system had a ridership of 279,146,200, or about 908,400 per weekday as of the fourth quarter of 2023.