gtfs-rt / protobuf inspector

Transit Realtime Decoder

Decode GTFS-Realtime protobuf feeds in your browser. Paste a feed URL, pick a live endpoint, or drop a .pb file - then inspect vehicle positions, trip updates, and service alerts as structured, searchable data with human-readable names from static GTFS.

Live endpoints · Peninsula Shuttles
Static GTFS dictionarynot loaded

Parsed server-side from a static GTFS zip to turn cryptic stop_id, route_id, and trip_id values in the realtime feed into stop names, route names, and headsigns.

No feed loaded yet

Pick one of the live endpoints above to fetch and decode a feed, or upload a protobuf file you already have.