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Get involved

Join the Community

  • Join Slack and introduce yourself to the community.
  • Subscribe to the GTFS Digest for monthly updates about all things GTFS.
  • Join GTFS Changes Google Group to stay informed on development.
  • Visit GitHub to post issues, participate in discussions around changes, and, propose changes.

GTFS Governance

The GTFS Specification is not set in stone. Instead, it is an open specification developed and maintained by the community of transit agencies, developers, and other stakeholders who use GTFS. It is expected that this community of producers and consumers of GTFS data will have proposals for extending the spec to enable new capabilities.

To formalize this process, we've established the GTFS Governance framework, which includes the Specification Amendment Process.

  • GTFS Schedule - Specification Amendment Process

    Learn more

  • GTFS Realtime - Specification Amendment Process

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Extensions

Extensions are proposals to change the specification that are composed by a collection of related files and fields. Additional files and fields can be extended onto GTFS datasets to accommodate a variety of application-specific needs communicated between transit agencies and software vendors, even if these fields are not in the official specification. Once adopted, extensions are merged and documented into the official specification as a set of features.

Active projects

The community is constantly developing new additions to the specification that could require discussions and working group meetings to accomplish their larger goals in an open source setting. Working group meetings are consensus building discussions led by a facilitator, and attended by developpers, and interested contributors.

  • GTFS-Fares v2

    GTFS-Fares v2 aims to enhance fare representation in GTFS, introducing features like fare products and rider categories.

    Learn more

  • GTFS Governance

    A Working Group has been formed to modify the current GTFS Spec Amendment Process.

    Learn more

Community Resources

Make sure to check out the Resources section for an extensive selection of tips, tools, and tricks.

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:

Other Community Resources

Find other communities and resources related to GTFS