Express Train

Plans to construct a prestigious express line to O'Hare airport may be overkill. The existing Blue Line, which could benefit from some investment, already connects downtown Chicago and the airport.
Jul 13, 2015   Chi.Streetsblog
Greg Hinz tours the unfinished 'superstation' under Block 37 in the central Loop, built by the Chicago Transit Authority at a cost of $218 million. It would cost an estimated $150 million to complete, a sum that's unlikely to be raised anytime soon.
Jun 17, 2013   Crain's Chicago Business