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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:
Check with your local transit agency to see if they have a mailing list of their own.
Other Resources
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Last updated 2024-10-16 UTC.
[null,null,["Last updated 2024-10-16 UTC."],[[["\u003cp\u003eThis page provides links to various mailing lists for discussions regarding public transit data, software, and the GTFS format.\u003c/p\u003e\n"],["\u003cp\u003eResources include mailing lists for general transit developer discussions, GTFS and GTFS-realtime specifications, as well as agency-specific developer lists.\u003c/p\u003e\n"],["\u003cp\u003eYou can also find links to other resources like the Google Transit Partners Help Center, the latest GTFS specification, and transit feed registries.\u003c/p\u003e\n"]]],["Multiple mailing lists offer resources for public transit data, including transitfeed, GTFS-realtime, GTFS-changes, and transit-developers, as well as lists specific to agencies like NYC MTA and BART. Additional resources include the Google Transit Partners Help Center, the GTFS specification on GitHub, and transit feed registries like Transit.land. Participation is encouraged for services with fixed schedules and routes. TransitWiki.org also has resources and feed lists.\n"],null,["# Community\n\n### Mailing Lists\n\nThere 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:\n\n- [transitfeed](https://groups.google.com/group/transitfeed): discussion of the open-source [transitfeed](https://groups.google.com/group/transitfeed) project, as well of discussion of the GTFS specification and associated tools.\n- [gtfs-realtime](https://groups.google.com/group/gtfs-realtime): discussion of the [GTFS-realtime specification](https://github.com/google/transit/tree/master/gtfs-realtime).\n- [gtfs-changes](https://groups.google.com/group/gtfs-changes): discussion of proposal for extending the GTFS specification, as outlined in the [GTFS Changes document](https://github.com/google/transit/blob/master/gtfs/CHANGES.md).\n- [transit-developers](https://groups.google.com/group/transit-developers): general transit developer discussions. Many transit agencies also have their own developer mailing lists specific to the agency. For example:\n - [NYC MTA](https://groups.google.com/group/mtadeveloperresources)\n - [Portland, OR](https://groups.google.com/group/transit-developers-pdx)\n - [BART - San Francisco, CA](https://groups.google.com/group/bart-developers)\n - [MassDOT](https://groups.google.com/group/massdotdevelopers)\n\nCheck with your local transit agency to see if they have a mailing list of their own.\n\nOther Resources\n---------------\n\n- [Google Transit Partners Help Center](https://support.google.com/transitpartners/)\n- [Latest GTFS specification on GitHub (English only)](https://github.com/google/transit/blob/master/gtfs/spec/en/reference.md)\n- 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](https://support.google.com/transitpartners/answer/1111471).\n- [TransitWiki.org \"General Transit Feed Specification\" page](http://www.transitwiki.org/TransitWiki/index.php?title=General_Transit_Feed_Specification)\n- Several websites serve as a registry of feeds:\n - [Transit.land](https://transit.land/feed-registry/)\n - Public GTFS feed list - [TransitWiki.org \"Publicly-accessible public transportation data\" page](http://www.transitwiki.org/TransitWiki/index.php?title=Publicly-accessible_public_transportation_data)."]]