📣 As the U.S. is recovering from the COVID-19 pandemic, many transit agencies may continue to have reduced or suspended service. Route information on this site may not reflect all COVID-19 related service changes. Check Twitter feeds for transit agencies for current service updates prior to travel. CDC recommends riders to wear face covering or mask on public transportation.

CTA Blue Line

From Transit.Wiki
O'Hare - Downtown Chicago - Forest Park


Service runs every 3-8 minutes on weekdays during peak hours and every 7-10 minutes midday and evening. Runs every 15-30 minutes during overnight hours. Weekend service runs every 6-10 minutes. 24 hour service.


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