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General Transit Feed Specification

General Transit Feed Specification (GTFS) documentation is at http://code.google.com/transit/spec/transit_feed_specification.html.

TriMet schedule data in GTFS format is available for download at http://developer.trimet.org/schedule/gtfs.zip.

GTFS-realtime

GTFS-realtime documentation is at http://code.google.com/transit/realtime.

TriMet GTFS-realtime Feeds

An application id (AppID) is a required parameter to all TriMet web service calls. Please see the Web Services Documentation for more information.

TriMet TripUpdate feed: http://developer.trimet.org/ws/V1/TripUpdate/

TriMet Alerts feed: http://developer.trimet.org/ws/V1/FeedSpecAlerts/