Reference resources

• GTFS.org official documentation site for the General Transit Feed Specification. Includes additional GTFS resources.
• Google Transit Developers additional Google-specific documentation of GTFS.
• World Bank: Intro. to GTFS free, online, self-paced course for learning about GTFS and GTFS Realtime.
• MBTA GTFS Onboarding an interactive tutorial created by MBTA for GTFS static. A stand-alone Docker image is available on GitHub as well as a hosted/no-install version of the Jupyter notebook.
• TransitWiki community wiki for transit planners. Like this repo, but better.