Resource details

File name: Trip Update
Format: gtfs-rt

This resource file is part of the dataset Réseau urbain Citéa.

Download availability

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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

188 errors, 407 warnings

Validation carried out using the current GTFS file and the GTFS-RT the 2026-02-24 at 08:05 Europe/Paris using the MobilityData GTFS-RT validator.

Errors

stop_times_updates not strictly sorted E002 5 errors

stop_time_updates for a given trip_id must be strictly sorted by increasing stop_sequence

Sample errors
  • trip_id MH_3455069 stop_sequence [29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52] is not strictly sorted by increasing stop_sequence
  • trip_id MH_3455066 stop_sequence [29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52] is not strictly sorted by increasing stop_sequence
  • trip_id MH_3453536 stop_sequence [12, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13] is not strictly sorted by increasing stop_sequence
  • trip_id MH_3455067 stop_sequence [29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47] is not strictly sorted by increasing stop_sequence
  • trip_id MH_3455068 stop_sequence [29, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47] is not strictly sorted by increasing stop_sequence

Sequential stop_time_update times are not increasing E022 173 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 MH_3455069 stop_sequence 1 departure_time 08:40:00 (1771918800) is less than previous stop departure_time 09:18:57 (1771921137) - times must increase between two sequential stops
  • trip_id MH_3455069 stop_sequence 1 departure_time 08:40:00 (1771918800) is less than previous stop arrival_time 09:18:57 (1771921137) - times must increase between two sequential stops
  • trip_id MH_3455069 stop_sequence 2 arrival_time 08:41:16 (1771918876) is less than previous stop arrival_time 09:18:57 (1771921137) - times must increase between two sequential stops
  • trip_id MH_3455069 stop_sequence 2 departure_time 08:41:16 (1771918876) is less than previous stop arrival_time 09:18:57 (1771921137) - times must increase between two sequential stops
  • trip_id MH_3454085 stop_sequence 23 arrival_time 08:23:43 (1771917823) is less than previous stop arrival_time 08:25:00 (1771917900) - times must increase between two sequential stops

stop_time_update departure time is before arrival time E025 3 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 MH_3456181 stop_sequence 15 departure_time 08:35:00 (1771918500) is less than the same stop arrival_time 08:35:01 (1771918501) - departure time must be equal to or greater than arrival time
  • trip_id MH_3454932 stop_sequence 43 departure_time 08:11:00 (1771917060) is less than the same stop arrival_time 08:12:28 (1771917148) - departure time must be equal to or greater than arrival time
  • trip_id MH_3454933 stop_sequence 43 departure_time 08:31:00 (1771918260) is less than the same stop arrival_time 08:32:23 (1771918343) - departure time must be equal to or greater than arrival time

Sequential stop_time_updates have the same stop_id E037 7 errors

Sequential GTFS-rt trip stop_time_updates shouldn't have the same stop_id

Sample errors
  • trip_id MH_3454935 has repeating stop_id 0:AURO - sequential stop_ids should be different
  • trip_id MH_3454934 has repeating stop_id 0:AURO - sequential stop_ids should be different
  • trip_id MH_3454937 has repeating stop_id 0:AURO - sequential stop_ids should be different
  • trip_id MH_3453536 has repeating stop_id 0:LD3S - sequential stop_ids should be different
  • trip_id MH_3454932 has repeating stop_id 0:AURO - sequential stop_ids should be different

Warnings

timestamp not populated W001 261 errors

Timestamps should be populated for all elements

Sample errors
  • trip_id MH_3456312 does not have a timestamp
  • trip_id MH_3455463 does not have a timestamp
  • trip_id MH_3453765 does not have a timestamp
  • trip_id MH_3453627 does not have a timestamp
  • trip_id MH_3454703 does not have a timestamp

vehicle_id not populated W002 146 errors

vehicle_id should be populated for TripUpdates and VehiclePositions

Sample errors
  • trip_id MH_3456312 does not have a vehicle_id
  • trip_id MH_3453627 does not have a vehicle_id
  • trip_id MH_3454703 does not have a vehicle_id
  • trip_id MH_3455069 does not have a vehicle_id
  • trip_id MH_3453169 does not have a vehicle_id
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
W001 Timestamps should be populated for all elements 5,459 31 times (100 % of validations)
W002 vehicle_id should be populated for TripUpdates and VehiclePositions 3,106 31 times (100 % of validations)
E002 stop_time_updates for a given trip_id must be strictly sorted by increasing stop_sequence 206 27 times (87 % of validations)
E022 stop_time_update arrival/departure times between sequential stops should always increase - they should never be the same or decrease. 4,569 27 times (87 % of validations)
E037 Sequential GTFS-rt trip stop_time_updates shouldn't have the same stop_id 195 27 times (87 % 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. 25 16 times (52 % of validations)
E051 All stop_time_update stop_sequences in GTFS-realtime data must appear in GTFS stop_times.txt for that trip 62 14 times (45 % of validations)

GTFS-RT feed content

Entities

Entities present in this feed at 2026-02-25 at 05:00 Europe/Paris.

trip_updates (7) vehicle_positions (0) service_alerts (0)

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 2026-02-25 at 05:00 Europe/Paris. You can look at the GTFS-RT documentation.

{ "entity": [ { "id": "3454840", "tripUpdate": { "stopTimeUpdate": [ { "departure": { "time": "1771995600", "uncertainty": 120 }, "stopId": "0:ALGOU", "stopSequence": 1 } ], "trip": { "directionId": 0, "routeId": "07", "scheduleRelationship": "SCHEDULED", "tripId": "MeH_3454840" } } }, { "id": "3452677", "tripUpdate": { "stopTimeUpdate": [ { "departure": { "time": "1771994700", "uncertainty": 120 }, "stopId": "0:_GMUQ2", "stopSequence": 1 } ], "trip": { "directionId": 1, "routeId": "IC", "scheduleRelationship": "SCHEDULED", "tripId": "MeH_3452677" } } }, { "id": "3452716", "tripUpdate": { "stopTimeUpdate": [ { "departure": { "time": "1771994700", "uncertainty": 120 }, "stopId": "0:_VGR", "stopSequence": 1 } ], "trip": { "directionId": 0, "routeId": "IC", "scheduleRelationship": "SCHEDULED", "tripId": "MeH_3452716" } } }, { "id": "3114160", "tripUpdate": { "stopTimeUpdate": [ { "departure": { "time": "1771995600", "uncertainty": 120 }, "stopId": "0:LEC O2", "stopSequence": 1 } ], "trip": { "directionId": 0, "routeId": "CP3", "scheduleRelationship": "SCHEDULED", "tripId": "MeH_3114160" } } }, { "id": "3114069", "tripUpdate": { "stopTimeUpdate": [ { "departure": { "time": "1771995600", "uncertainty": 120 }, "stopId": "0:LEC O2", "stopSequence": 1 } ], "trip": { "directionId": 0, "routeId": "CP", "scheduleRelationship": "SCHEDULED", "tripId": "MeH_3114069" } } }, { "id": "3114088", "tripUpdate": { "stopTimeUpdate": [ { "departure": { "time": "1771994940", "uncertainty": 120 }, "stopId": "0:MONG 4", "stopSequence": 1 } ], "trip": { "directionId": 1, "routeId": "CP", "scheduleRelationship": "SCHEDULED", "tripId": "MeH_3114088" } } }, { "id": "3456111", "tripUpdate": { "stopTimeUpdate": [ { "departure": { "time": "1771995000", "uncertainty": 120 }, "stopId": "0:_VPD", "stopSequence": 1 } ], "trip": { "directionId": 0, "routeId": "46", "scheduleRelationship": "SCHEDULED", "tripId": "MeH_3456111" } } } ], "header": { "gtfsRealtimeVersion": "2.0", "timestamp": "1771992014" } }