AI-generated Key Takeaways
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This page provides links to various mailing lists for discussions regarding public transit data, software, and the GTFS format.
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Resources include mailing lists for general transit developer discussions, GTFS and GTFS-realtime specifications, as well as agency-specific developer lists.
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You can also find links to other resources like the Google Transit Partners Help Center, the latest GTFS specification, and transit feed registries.
 
Mailing Lists
There are a number of mailing lists that can be good resources when you have questions about public transit data, software, formats like GTFS and GTFS-realtime, and other issues:
- transitfeed: discussion of the open-source transitfeed project, as well of discussion of the GTFS specification and associated tools.
 - gtfs-realtime: discussion of the GTFS-realtime specification.
 - gtfs-changes: discussion of proposal for extending the GTFS specification, as outlined in the GTFS Changes document.
 - transit-developers: general transit developer discussions. Many transit agencies also have their own developer mailing lists specific to the agency. For example:
 
Check with your local transit agency to see if they have a mailing list of their own.
Other Resources
- Google Transit Partners Help Center
 - Latest GTFS specification on GitHub (English only)
 - If you provide a transportation service that is open to the public, and operates with fixed schedules and routes, we welcome your participation; it is simple and available at no charge.
 - TransitWiki.org "General Transit Feed Specification" page
 - Several websites serve as a registry of feeds:
- Transit.land
 - Public GTFS feed list - TransitWiki.org "Publicly-accessible public transportation data" page.