Photo of train over river
CTA Train Tracker: train follower / beta 2


We’re sorry, information for this train is not currently available.

You were trying to follow run number 521, but we’re not able to show info about this train, at this time.




What is this?
This service shows you upcoming stops for a train you've selected. It can be useful if you see a train you know you're going to board and want to see when it'll arrive at another station, further down the line. You can also pick stations down the line and see arrivals for that stop, too!



Want to look up something else?

Pick a stop, get arrivals.

Or, choose from these methods:
My Favorites/Recent Stops




(Needs WiFi or GPS.)

Follow a train by run number


Get estimated arrivals for a specific train. (Note: You can also get follow a train by choosing it from a list of estimated arrivals for a station.)

Or, see trains on a map.
Train Tracker Map (opens in new window)

Plan a trip

Start (e.g. O'Hare Airport)

End (e.g. 1 N State St, Chicago, IL)

Leave Now
 Get directions with:

About trip planners (and more options)..

System Status



Red Line Normal Service
Blue Line Normal Service
Brown Line Normal Service
Green Line Normal Service
Orange Line Normal Service
Purple Line Normal Service
Pink Line Normal Service
Yellow Line Normal Service


Routes with Current Alerts (View All):
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