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.

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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 2025-07-09 at 09:00 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 2 ete 08:30 does not have a vehicle_id
  • trip_id 3 ete 8:19 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 27 min 34 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 2 ete 08:30 stop_sequence 2 (and potentially more for this trip) does not have a schedule_relationship
  • trip_id 2 ete 08:30 does not have a schedule_relationship
  • trip_id 3 ete 8:19 stop_sequence 12 (and potentially more for this trip) does not have a schedule_relationship
  • trip_id 3 ete 8:19 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 112 28 times (100 % of validations)
W009 trip.schedule_relationship and stop_time_update.schedule_relationship should be populated 224 28 times (100 % of validations)
W008 The data in a GTFS-realtime feed should always be less than one minute old 27 27 times (96 % of validations)
E022 stop_time_update arrival/departure times between sequential stops should always increase - they should never be the same or decrease. 1 1 times (4 % of validations)

GTFS-RT feed content

Entities

Entities present in this feed at 2025-07-09 at 13:33 Europe/Paris.

trip_updates (2) vehicle_positions (0) service_alerts (0)

The timestamp field appears to be too old compared to the current time: the delay is 1 639 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 2025-07-09 at 13:33 Europe/Paris. You can look at the GTFS-RT documentation.

{ "entity": [ { "id": "SM:6 ete 12:58", "tripUpdate": { "stopTimeUpdate": [ { "arrival": { "delay": 410, "time": "1752060830" }, "departure": { "delay": 410, "time": "1752060830" }, "stopId": "161", "stopSequence": 37 }, { "arrival": { "delay": 410, "time": "1752060890" }, "departure": { "delay": 410, "time": "1752060890" }, "stopId": "160", "stopSequence": 38 }, { "arrival": { "delay": 410, "time": "1752060950" }, "departure": { "delay": 410, "time": "1752060950" }, "stopId": "159", "stopSequence": 39 }, { "arrival": { "delay": 410, "time": "1752061010" }, "departure": { "delay": 410, "time": "1752061010" }, "stopId": "158", "stopSequence": 40 }, { "arrival": { "delay": 410, "time": "1752061070" }, "departure": { "delay": 410, "time": "1752061070" }, "stopId": "157", "stopSequence": 41 }, { "arrival": { "delay": 410, "time": "1752061130" }, "stopId": "95", "stopSequence": 42 } ], "timestamp": "1752060769", "trip": { "routeId": "6", "tripId": "6 ete 12:58" } } }, { "id": "SM:3 ete 13:31", "tripUpdate": { "stopTimeUpdate": [ { "arrival": { "delay": -30, "time": "1752060810" }, "departure": { "delay": -30, "time": "1752060810" }, "stopId": "91", "stopSequence": 2 }, { "arrival": { "delay": -30, "time": "1752060870" }, "departure": { "delay": -30, "time": "1752060870" }, "stopId": "La Marne", "stopSequence": 3 }, { "arrival": { "delay": -30, "time": "1752060930" }, "departure": { "delay": -30, "time": "1752060930" }, "stopId": "92", "stopSequence": 4 }, { "arrival": { "delay": -30, "time": "1752060990" }, "departure": { "delay": -30, "time": "1752060990" }, "stopId": "96", "stopSequence": 5 }, { "arrival": { "delay": -30, "time": "1752061050" }, "departure": { "delay": -30, "time": "1752061050" }, "stopId": "121", "stopSequence": 6 }, { "arrival": { "delay": -30, "time": "1752061110" }, "departure": { "delay": -30, "time": "1752061110" }, "stopId": "46", "stopSequence": 7 }, { "arrival": { "delay": -30, "time": "1752061170" }, "departure": { "delay": -30, "time": "1752061170" }, "stopId": "45", "stopSequence": 8 }, { "arrival": { "delay": -30, "time": "1752061230" }, "departure": { "delay": -30, "time": "1752061230" }, "stopId": "16", "stopSequence": 9 } ], "timestamp": "1752060766", "trip": { "routeId": "3", "tripId": "3 ete 13:31" } } } ], "header": { "gtfsRealtimeVersion": "1.0", "timestamp": "1752060806" } }