# GTFS-books

This repository contains the source for the following two books:

* The Definitive Guide to GTFS (2014)
* The Definitive Guide to GTFS-realtime (2015)

These books have been written by [Quentin Zervaas](https://github.com/HendX).
These were originally published commercially, but have now been donated to [MobilityData](https://mobilitydata.org/).

Some of the content may be outdated. You are encouraged to contribute any fixes or changes in order to keep it as up-to-date as possible.

# License
This work is licensed under the [Creative Commons Attribution 4.0 International License](https://creativecommons.org/licenses/by/4.0/).