Global InformationGTFS Realtime information
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 Example of GTFS Realtime Visualisation of Los Angeles Metro | |
| Filename extension |
.pb |
|---|---|
| Initial release | 27 September 2011 |
| Latest release | 2.0 11 March 2024 |
| Type of format | Transit realtime data format |
| Extended from | Protocol Buffers |
| Standard | De facto standard |
| Open format? | Yes, CC BY 3.0 |
| Website | gtfs |
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.[1]
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.[2]
The standard is used by public transport agencies globally, including the United States, Canada, most countries in the European Union, United Kingdom, Australia, New Zealand, and in Yokohama, Japan.
- ^ "Reference - General Transit Feed Specification". gtfs.org. Retrieved 2023-07-31.
- ^ Parkford, Stan (30 August 2021). "How do predictions work?". Swiftly Help Center.