Blue Line Info
- Network Chicago \L\
- Operation Started 1951
- Total Length 43.3 km
- Total Stations 33
Terminals
From
O'Hare
To
Forest Park
Blue Line Overview
Blue Line opened in 1895. It was later extended via the Milwaukee-Dearborn Subway in 1951 and to O'Hare International Airport in 1984. The line runs between O'Hare and Forest Park, a distance of 43 kilometers and has 33 stations. It provides interchange with all major CTA rail lines and the Metra commuter rail service.
Chicago \L\ Map 2026
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Other Lines in Chicago \L\
Frequently Asked Questions — Blue Line
Blue Line has 33 stations on the Chicago \L\ network.
Blue Line runs between O'Hare and Forest Park.
Blue Line is approximately 43.3 km long.
Blue Line opened in 1951.
Blue Line is a Metro line operated under Chicago \L\.
Blue Line is part of the Chicago \L\ transit network.