[larrymyers]

As long as a public transportation organization can expose their data as GTFS, then most transit applications should be able to provide routing.

https://developers.google.com/transit

This is what the CTA and Metra do in Chicago. Even Metra, not known for it's technical prowess, provides a GTFS realtime feed.

[andybak]

I don't think that's what the person you were replying to was asking.

More "how do they get the data from cities that don't want to give it to app vendors like Google"

[larrymyers]

If it's public transportation and run by a local government and the transit data isn't publicly available, then it's likely matter of civic engagement and using your power as a voter to make it happen.

[lozenge]

By spending VC capital.