Rapid Transit24 Hours
Blue Line
Runs 24 hours a day and provides direct rail access to O'Hare International Airport. Serves the northwest side, downtown Loop, and the western suburbs to Forest Park.
Current service
Live
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33
Stations
25.8 mi
Route Miles
O'Hare
From
Forest Park
To
Schedule
24-Hour Service Yes
Peak FrequencyEvery 7 min
Off-Peak FrequencyEvery 10 min
System IDs
CTA Route IDBlue