Curious City participant Corinne Cresswell of Logan Square asked us why Elston doesn't have a bus route. That got us wondering, what is the decision behind cutting routes in the first place (beyond money)? How exactly do they know who's riding where?

This video is a behind-the-scenes look at how the CTA collects data. For the rest of the story, check out:

And for an investigation timeline of what we gathered to make this story, go here:

To ask your questions to Curious City and vote on what we should look into, check out our rad site:

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