Chicago Transit Authority announces repairs to Blue and Red Line July 11, 2007 Chicago Transit Authority (CTA) riders on the subway portion...

Granville El Station Granville is a station on the Chicago Transit Authority 's Red Line , part of the Chicago 'L' metro syste...

Red Line The Red Line (Howard-Dan Ryan Service) is a heavy rail line in Chicago , run by the Chicago Transit Authority (CTA) as part of the...

Chicago 'L' The 'L', [1] variously, and sometimes , styled "L", El, EL, or L, is the rapid transit system that s...

Chicago Rapid Transit Company The Chicago Rapid Transit Company (CRT) was a privately owned firm providing rapid transit rail service in Ch...

Chicago Transit Authority Chicago Transit Authority, also known as CTA, is the operator of mass transit within the City of Chicago , Illino...