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Open Data from CTA

CTA publishes a variety of data that we expect will be useful to software developers, researchers, urban planners, journalists and businesses, as well as interested citizens.

We encourage you to explore our data and make use of it.

If you have feedback about our data, send us an e-mail at webmaster@transitchicago.com and we'll do our best to respond to your inquiry.

Data on the City of Chicago's Data Portal

How to view our data

You can browse any of the datasets listed on this page online by following the links below. Many datasets can also be exported for analysis or incorporation into software or other systems.

The City of Chicago Data Portal

The City of Chicago has engaged in an extensive open data program through their data portal at data.cityofchicago.org, releasing hundreds of datasets about how the city does business.Through a partnership with the City of Chicago, data from CTA, as a peer agency, is being hosted in the city's data portal. The portal offers powerful, robust features for viewing, visualization and retrieval of public data.

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Data on the RTA's Regional Transparency Portal

Open data about contracts, payments, vendors and employees are available on the Regional Transportation Authority's Regional Transparency Portal.

 

Transit Data for Developers

We publish a variety of transit data, including our static GTFS feed, APIs into real-time data for Bus Tracker and Train Tracker, as well as detailed service alert information that you'd find on our website and in our own digital signage and app.

Visit our Developer Center for transit data with which you can build apps.


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