gtfs-rt Transport open dataset - Ar bus - Landerneau-Daoulas for Réseau urbain Ar bus

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

⚠️16 warnings

Validation carried out using the current GTFS file and the GTFS-RT the 2025-03-12 at 08:02 Europe/Paris using the MobilityData GTFS-RT validator.

Warnings

vehicle_id not populated W002 5 errors

vehicle_id should be populated for TripUpdates and VehiclePositions

Sample errors

trip_id 3 scolaire 7:32 does not have a vehicle_id
trip_id 4 scolaire 07:35 does not have a vehicle_id
trip_id 5 scolaire 07:29 does not have a vehicle_id
trip_id 1 scolaire 07:41 does not have a vehicle_id
trip_id 2 scolaire 8:00 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 9 min 34 sec old which is greater than the recommended age of 65 seconds

schedule_relationship not populated W009 10 errors

trip.schedule_relationship and stop_time_update.schedule_relationship should be populated

Sample errors

trip_id 3 scolaire 7:32 stop_sequence 14 (and potentially more for this trip) does not have a schedule_relationship
trip_id 3 scolaire 7:32 does not have a schedule_relationship
trip_id 4 scolaire 07:35 stop_sequence 19 (and potentially more for this trip) does not have a schedule_relationship
trip_id 4 scolaire 07:35 does not have a schedule_relationship
trip_id 5 scolaire 07:29 stop_sequence 21 (and potentially more for this trip) 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	77	30 times (100 % of validations)
W008	The data in a GTFS-realtime feed should always be less than one minute old	30	30 times (100 % of validations)
W009	trip.schedule_relationship and stop_time_update.schedule_relationship should be populated	154	30 times (100 % of validations)

GTFS-RT feed content

Entities

Entities present in this feed at 2025-03-12 at 19:39 Europe/Paris.

trip_updates (1) service_alerts (0) vehicle_positions (0)

The timestamp field appears to be too old compared to the current time: the delay is 29 930 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 2025-03-12 at 19:39 Europe/Paris. You can look at the GTFS-RT documentation.


{
  "entity": [
    {
      "id": "SM:1 scolaire 19:20",
      "trip_update": {
        "stop_time_update": [
          {
            "arrival": {
              "delay": -140,
              "time": "1741804780"
            },
            "stop_id": "12",
            "stop_sequence": 19
          }
        ],
        "timestamp": "1741804737",
        "trip": {
          "route_id": "1",
          "trip_id": "1 scolaire 19:20"
        }
      }
    }
  ],
  "header": {
    "gtfs_realtime_version": "1.0",
    "timestamp": "1741804792"
  }
}