Resource details
This resource file is part of the dataset Réseau urbain Sylvia.
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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
❌2 errors, 70 warnings
Validation carried out using the current GTFS file and the GTFS-RT the 2026-01-15 at 08:07 Europe/Paris using the MobilityData GTFS-RT validator.
Errors
stop_time_update departure time is before arrival time E025 2 errors
Within the same stop_time_update, arrival and departures times can be the same, or the departure time can be later than the arrival time - the departure time should never come before the arrival time.
Sample errors
- trip_id 1-1023476323 stop_sequence 3 departure_time 08:02:19 (1768460539) is less than the same stop arrival_time 08:02:24 (1768460544) - departure time must be equal to or greater than arrival time
- trip_id 1-33685505 stop_sequence 11 departure_time 08:03:00 (1768460580) is less than the same stop arrival_time 08:03:02 (1768460582) - departure time must be equal to or greater than arrival time
Warnings
vehicle_id not populated W002 23 errors
vehicle_id should be populated for TripUpdates and VehiclePositions
Sample errors
- trip_id 1-1694565363 does not have a vehicle_id
- trip_id 1-1711734785 does not have a vehicle_id
- trip_id 1-1728119815 does not have a vehicle_id
- trip_id 1-1744897041 does not have a vehicle_id
- trip_id 1-17760354 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 13 sec old which is greater than the recommended age of 65 seconds
schedule_relationship not populated W009 46 errors
trip.schedule_relationship and stop_time_update.schedule_relationship should be populated
Sample errors
- trip_id 1-1694565363 stop_sequence 1 (and potentially more for this trip) does not have a schedule_relationship
- trip_id 1-1694565363 does not have a schedule_relationship
- trip_id 1-1711734785 stop_sequence 1 (and potentially more for this trip) does not have a schedule_relationship
- trip_id 1-1711734785 does not have a schedule_relationship
- trip_id 1-1728119815 stop_sequence 1 (and potentially more for this trip) does not have a schedule_relationship
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 | 378 | 24 times (80 % of validations) |
| W009 | trip.schedule_relationship and stop_time_update.schedule_relationship should be populated | 756 | 24 times (80 % of validations) |
| W008 | The data in a GTFS-realtime feed should always be less than one minute old | 13 | 13 times (43 % of validations) |
| E025 | Within the same stop_time_update, arrival and departures times can be the same, or the departure time can be later than the arrival time - the departure time should never come before the arrival time. | 13 | 8 times (27 % of validations) |
| E003 | All trip_ids provided in the GTFS-rt feed must exist in the GTFS data, unless the schedule_relationship is ADDED | 61 | 2 times (7 % of validations) |
| E004 | All route_ids provided in the GTFS-rt feed must exist in the GTFS data | 33 | 2 times (7 % of validations) |
| E011 | All stop_ids referenced in GTFS-rt feeds must exist in GTFS stops.txt | 853 | 2 times (7 % of validations) |
GTFS-RT feed content
Entities
Entities present in this feed at 2026-01-15 at 23:11 Europe/Paris.
vehicle_positions (0) service_alerts (0) trip_updates (0)Entities seen in the last 7 days.
trip_updatesDecoded GTFS-RT feed
See full payload
Here is the decoded GTFS-RT feed Protobuf at 2026-01-15 at 23:11 Europe/Paris. You can look at the GTFS-RT documentation.
{
"header": {
"gtfsRealtimeVersion": "1.0",
"timestamp": "1768515092"
}
}