GTFS-Fares V1 is the legacy option for describing minimal fare information. GTFS-Fares V2 is an updated method that allows for a more detailed account of an agency's fare structure.

GTFS Realtime supports four distinct types of realtime data, that can be combined witin a single realtime feed. Summaries are given below, with full documentation given in the relevant section.

GTFS Diff - GTFS Diff is a specification created by transport.data.gouv.fr and aims at providing a simple and unified way to express differences between GTFS files.

Transitland - Community editable list of many transit agency GTFS datasets. Also provides an API to access the data as JSON/GeoJSON and a playground to try out the data.

GTFS serves as the backbone of modern transit systems, enabling agencies to provide accurate and up-to-date information to riders, app developers, and policymakers.

These Best Practices were developed by a working group of 17 organizations involved in GTFS, including app providers & data consumers, transit providers, and consultants with extensive …

A GTFS Realtime feed lets transit agencies provide consumers with realtime information about disruptions to their service (stations closed, lines not operating, important delays, etc.) location of …

Ideally, your GTFS Schedule files should be downloadable directly from this URL without requiring a login. However, if this is not feasible due to licensing restrictions, your agency can control access to …

GTFS applications and practices evolve, and so this document may need to be amended from time to time. To propose an amendment to this document, open a pull request in the GTFS Realtime Best …

GTFS Spec - Specification for the General Transit Data Feed, or GTFS. Available in several languages. GTFS Best Practices - Best practices for producers of a GTFS feed.