Resource details

File name: Ar bus - Landerneau-Daoulas
Format: gtfs-rt

Fichier GTFS-RT

This resource file is part of the dataset Réseau urbain Ar bus.

Download availability

2026-06-27
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Learn more
We test this resource download availability every hour by making an HTTP HEAD request with a timeout of 5 seconds. If we detect a downtime, we perform subsequent tests every 10 minutes, until the resource is back online.

For SIRI and SIRI Lite feeds, we perform a GET request: a 401 or 405 status code is considered successful. In case of HTTP 500, the feed will be considered unavailable, unless the body appears to contain SOAP.

Validation details

⚠️7 warnings

Validation carried out using the current GTFS file and the GTFS-RT the 2026-07-27 at 09:08 Europe/Paris using the MobilityData GTFS-RT validator.

Warnings

vehicle_id not populated W002 2 errors

vehicle_id should be populated for TripUpdates and VehiclePositions

Sample errors
  • trip_id 4 ete 09:00 does not have a vehicle_id
  • trip_id 5 ete 9:01 does not have a vehicle_id

Header timestamp is older than 65 seconds W008 1 error

The data in a GTFS-realtime feed should always be less than one minute old

Sample errors
  • header.timestamp is 2 min 0 sec old which is greater than the recommended age of 65 seconds

schedule_relationship not populated W009 4 errors

trip.schedule_relationship and stop_time_update.schedule_relationship should be populated

Sample errors
  • trip_id 4 ete 09:00 stop_sequence 4 (and potentially more for this trip) does not have a schedule_relationship
  • trip_id 4 ete 09:00 does not have a schedule_relationship
  • trip_id 5 ete 9:01 stop_sequence 3 (and potentially more for this trip) does not have a schedule_relationship
  • trip_id 5 ete 9:01 does not have a schedule_relationship
Validate this GTFS-RT now

Previous validations

Here is a recap of all the error types encountered over the last 30 days.

Error ID Description Errors count Number of occurences
W002 vehicle_id should be populated for TripUpdates and VehiclePositions 67 30 times (100 % of validations)
W009 trip.schedule_relationship and stop_time_update.schedule_relationship should be populated 134 30 times (100 % of validations)
W008 The data in a GTFS-realtime feed should always be less than one minute old 27 27 times (90 % of validations)
E022 stop_time_update arrival/departure times between sequential stops should always increase - they should never be the same or decrease. 2 1 times (3 % of validations)

GTFS-RT feed content

Entities

Entities present in this feed at 2026-07-27 at 11:06 Europe/Paris.

trip_updates (3) vehicle_positions (0) service_alerts (0)

The timestamp field appears to be too old compared to the current time: the delay is 959 seconds. Try to update your feed at most every 30 seconds.

Entities seen in the last 7 days.

trip_updates

Decoded GTFS-RT feed

See full payload

Here is the decoded GTFS-RT feed Protobuf at 2026-07-27 at 11:06 Europe/Paris. You can look at the GTFS-RT documentation.

{ "entity": [ { "id": "SM:4 ete 10:40", "tripUpdate": { "stopTimeUpdate": [ { "arrival": { "delay": 180, "time": "1785143160" }, "stopId": "95", "stopSequence": 31 } ], "timestamp": "1785143148", "trip": { "routeId": "4", "tripId": "4 ete 10:40" } } }, { "id": "SM:5 ete 10:45", "tripUpdate": { "stopTimeUpdate": [ { "arrival": { "delay": 1, "time": "1785143190" }, "departure": { "delay": 1, "time": "1785143190" }, "stopId": "88", "stopSequence": 23 }, { "arrival": { "delay": 1, "time": "1785143250" }, "departure": { "delay": 1, "time": "1785143250" }, "stopId": "31", "stopSequence": 24 }, { "arrival": { "delay": 1, "time": "1785143251" }, "departure": { "delay": 1, "time": "1785143251" }, "stopId": "29", "stopSequence": 25 }, { "arrival": { "delay": 1, "time": "1785143310" }, "departure": { "delay": 1, "time": "1785143310" }, "stopId": "Stop_2", "stopSequence": 26 }, { "arrival": { "delay": 1, "time": "1785143370" }, "departure": { "delay": 1, "time": "1785143370" }, "stopId": "95", "stopSequence": 27 } ], "timestamp": "1785143190", "trip": { "routeId": "5", "tripId": "5 ete 10:45" } } }, { "id": "SM:6 ete 11:11", "tripUpdate": { "stopTimeUpdate": [ { "arrival": { "delay": 1, "time": "1785143640" }, "departure": { "delay": 1, "time": "1785143640" }, "stopId": "91", "stopSequence": 2 }, { "arrival": { "delay": 1, "time": "1785143700" }, "departure": { "delay": 1, "time": "1785143700" }, "stopId": "La Marne", "stopSequence": 3 }, { "arrival": { "delay": 1, "time": "1785143760" }, "departure": { "delay": 1, "time": "1785143760" }, "stopId": "92", "stopSequence": 4 }, { "arrival": { "delay": 1, "time": "1785143820" }, "departure": { "delay": 1, "time": "1785143820" }, "stopId": "96", "stopSequence": 5 }, { "arrival": { "delay": 1, "time": "1785143880" }, "departure": { "delay": 1, "time": "1785143880" }, "stopId": "121", "stopSequence": 6 } ], "timestamp": "1785143189", "trip": { "routeId": "6", "tripId": "6 ete 11:11" } } } ], "header": { "gtfsRealtimeVersion": "1.0", "timestamp": "1785143201" } }