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General Transit Feed Specification defines a common format for public transportation schedules and associated geographic information. GTFS contains only static or scheduled information about public transport services, and is sometimes known as GTFS Static or GTFS Schedule to distinguish it from the GTFS Realtime, which defines how information on the realtime status of services can be shared.

GTFS Realtime (a.k.a. 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

GTFS applications

GTFS-rt applications



Full MTA data feeds
MTA for developers
MTA devs group
MTA Text Maps Text Maps for Subway Lines

MTA Subway Stations dataset
MTA Subway Stations Map
NYC Open Data