Blue Line ‘L’ The CTA Blue Line provides 24-hour rapid transit train service between Chicago-O'Hare International Airport and the Forest Park terminal, via downtown Chicago.

The CTA System Map shows both CTA Bus and Rail lines, as well as connecting services provided by other transit agencies in Chicago and surrounding communities.

Blue Line Fri, Dec 19 2025 - 10:00 PM to Sat, Dec 20 2025 - 4:00 AM Boarding Change, Delays Between Jefferson Park and Cumberland Planned Reroute Blue Line trains will operate on the same …

Connections: Chicago-O'Hare International Airport, O'Hare ATS people mover to all terminals via Terminal 2 station; Terminals 1, 2, 3 by underground pedestrian walkways. New rider? Learn more …

Information about CTA bus and train service in and around Chicago. Find maps, schedules, service alerts, plan a trip, jobs, news and more!

Find CTA transit route information and bus and train route timetables and schedule information.

Any pass can be loaded into a Ventra Card's transit account. You can even load multiple passes, so you have a new one ready to go when one you're using runs out. Some passes (such as a 1-Day CTA …

The CTA Blue Line provides service directly to and from O'Hare Airport. The accessible O’Hare station is situated in the lower level concourse, which connects directly to Terminals 1, 2 and 3, and can be …

Blue Line Thu, Dec 18 2025 - 10:00 PM to Fri, Dec 19 2025 - 4:00 AM Boarding Change, Delays Between Jefferson Park and Cumberland Planned Reroute Blue Line trains will operate on the same …

Service summary All CTA railcars are accessible. See staff for help with “gap fillers” for boarding at accessible stations and check alerts at transitchicago.com. 24-hour route; service runs at all times …