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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
❌62 errors, 9 warnings
Validation carried out using the current GTFS file and the GTFS-RT the 2025-08-08 at 09:01 Europe/Paris using the MobilityData GTFS-RT validator.
Errors
Sequential stop_time_update times are not increasing E022 60 errors
stop_time_update arrival/departure times between sequential stops should always increase - they should never be the same or decrease.
Sample errors
- trip_id 41029{2_24}-ETE25_E25_LMWJV stop_sequence 32 departure_time 09:00:20 (1754636420) is equal to previous stop departure_time 09:00:20 (1754636420) - times must increase between two sequential stops
- trip_id 41334{11_24}-ETE25_E25_LMWJV stop_sequence 36 arrival_time 08:42:59 (1754635379) is less than previous stop arrival_time 09:03:08 (1754636588) - times must increase between two sequential stops
- trip_id 41334{11_24}-ETE25_E25_LMWJV stop_sequence 36 arrival_time 08:42:59 (1754635379) is less than previous stop departure_time 09:03:08 (1754636588) - times must increase between two sequential stops
- trip_id 41334{11_24}-ETE25_E25_LMWJV stop_sequence 36 departure_time 08:43:07 (1754635387) is less than previous stop departure_time 09:03:08 (1754636588) - times must increase between two sequential stops
- trip_id 41334{11_24}-ETE25_E25_LMWJV stop_sequence 36 departure_time 08:43:07 (1754635387) is less than previous stop arrival_time 09:03:08 (1754636588) - times must increase between two sequential stops
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 41029{2_24}-ETE25_E25_LMWJV stop_sequence 32 departure_time 09:00:20 (1754636420) is less than the same stop arrival_time 09:00:48 (1754636448) - departure time must be equal to or greater than arrival time
- trip_id 41030{2_24}-ETE25_E25_LMWJV stop_sequence 4 departure_time 09:00:53 (1754636453) is less than the same stop arrival_time 09:01:22 (1754636482) - departure time must be equal to or greater than arrival time
Warnings
timestamp not populated W001 9 errors
Timestamps should be populated for all elements
Sample errors
- trip_id 41029{2_24}-ETE25_E25_LMWJV does not have a timestamp
- trip_id 41334{11_24}-ETE25_E25_LMWJV does not have a timestamp
- trip_id 41161{3_24}-ETE25_E25_LMWJVS does not have a timestamp
- trip_id 41300{5_24}-ETE25_E25_LMWJV does not have a timestamp
- trip_id 41266{4_24}-ETE25_E25_LMWJV does not have a timestamp
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 |
|---|---|---|---|
| E022 | stop_time_update arrival/departure times between sequential stops should always increase - they should never be the same or decrease. | 1 950 | 25 times (83 % of validations) |
| W001 | Timestamps should be populated for all elements | 245 | 25 times (83 % of validations) |
| E003 | All trip_ids provided in the GTFS-rt feed must exist in the GTFS data, unless the schedule_relationship is ADDED | 11 | 11 times (37 % of validations) |
| E004 | All route_ids provided in the GTFS-rt feed must exist in the GTFS data | 11 | 11 times (37 % 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. | 12 | 9 times (30 % of validations) |
GTFS-RT feed content
Entities
Entities present in this feed at 2025-08-08 at 21:20 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 2025-08-08 at 21:20 Europe/Paris. You can look at the GTFS-RT documentation.
{
"header": {
"gtfsRealtimeVersion": "2.0",
"timestamp": "1754680816"
}
}