GTFS Realtime
GTFS Realtime (also known as GTFS-rt) is an extension to GTFS, in which public transport agencies share real-time vehicle locations, arrival time predictions, and alerts such as detours and cancellations via Protocol Buffers web server.
Example of GTFS Realtime Visualisation of LA Metro | |
| Filename extension |
.pb |
|---|---|
| Initial release | 27 September 2011 |
| Latest release | 2.0 22 February 2023 |
| Type of format | Transit realtime data format |
| Extended from | Protocol Buffers |
| Standard | De facto standard |
| Open format? | Yes, CC BY 3.0 |
| Website | gtfs |
Realtime location data is created continuously by an agency from Automatic vehicle location (AVL) systems. Trip arrival times are computed using machine learning models that analyse historical positional data and timetables.
The standard is used by public transport agencies globally, including the United States, Canada, countries in the European Union, United Kingdom, Australia, New Zealand, and in Yokohama, Japan.
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