Profile: Chicago Transit Authority

View Chicago Transit Authority outages and uptime

Chicago Transit Authority (CTA) operates mass transit within the City of Chicago, IL and 40 surrounding suburbs. CTA operates both trains and busses. The train service is known as the L-train, which is short for elevated. Each line is referred to by a color: red line, orange line, yellow line, green line, blue line, purple line, brown line, pink line.

  Uptime last 24 hours

  Response Time last 24 hours

Shows the "instant" that the monitor started returning a response (in ms).

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Current Status


For 2 days, 13 hours
(Since Oct 19, 2016 8:48 a.m. GMT)

  • 100.0% (last 24 hours)
  • 99.6% (last 7 days)
  • 99.9% (last 30 days)
Latest Downtime
Was recorded on Oct 19, 2016 8:03 a.m. GMT and lasted for 44 minutes.
Having Problems?

Status URL: Official Status Page

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