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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\u003eSeveral mailing lists focus on specific topics such as the transitfeed project, GTFS-realtime, and proposed GTFS changes.\u003c/p\u003e\n"],["\u003cp\u003eThe page also includes links to general transit developer discussions and agency-specific mailing lists for developers.\u003c/p\u003e\n"],["\u003cp\u003eAdditional resources like the Google Transit Partners Help Center and websites with public GTFS feeds are provided.\u003c/p\u003e\n"],["\u003cp\u003eWebsites that serve as registries of feeds, including Gtfs Data Exchange, TransitFeeds, and Transit.land are listed.\u003c/p\u003e\n"]]],["Key resources for transit data include mailing lists for GTFS, GTFS-realtime, and transit developer discussions. Specific lists exist for agencies like NYC MTA, Portland, BART, and MassDOT. The document lists the google Transit Partners Help Center and GTFS feed lists. Various websites such as GTFS Data Exchange, TransitFeeds, and Transit.land serve as registries for feeds. TransitWiki also has general transit specification information. There is information for participating agencies.\n"],null,["# Community\n\nMailing Lists\n-------------\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- [GoogleTransitDataFeed Public GTFS feed list:](http://code.google.com/p/googletransitdatafeed/wiki/PublicFeeds) lists a number of public GTFS feeds\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\n- [TransitWiki.org \"General Transit Feed Specification\" page](http://www.transitwiki.org/TransitWiki/index.php?title=General_Transit_Feed_Specification)\n\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).\n\n- Several websites serve as a registry of feeds:\n\n - [Gtfs Data Exchange.com](http://www.gtfs-data-exchange.com/)\n - [TransitFeeds.com](http://transitfeeds.com/)\n - [Transit.land](https://transit.land/feed-registry/)"]]