Resource details

File name: filbleu-gtfsrt-tripupdates
Format: gtfs-rt

Version Fil Bleu des alertes de services au format GTFS-RT

This resource file is part of the dataset Réseau urbain et périurbain Fil Bleu.

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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

2 810 errors, 272 warnings

Validation carried out using the current GTFS file and the GTFS-RT the 2025-06-07 at 09:01 Europe/Paris using the MobilityData GTFS-RT validator.

Errors

stop_times_updates not strictly sorted E002 63 errors

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

Sample errors
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 stop_sequence [17, 15] is not strictly sorted by increasing stop_sequence
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659236 stop_sequence [18, 19, 20, 21, 23, 24, 17] is not strictly sorted by increasing stop_sequence
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632337 stop_sequence [35, 36, 34] is not strictly sorted by increasing stop_sequence
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632324 stop_sequence [17, 20, 14] is not strictly sorted by increasing stop_sequence
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632317 stop_sequence [21, 18] is not strictly sorted by increasing stop_sequence

Sequential stop_time_update times are not increasing E022 2 692 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 TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 stop_sequence 15 arrival_time 09:02:06 (1749279726) is less than previous stop arrival_time 09:04:06 (1749279846) - times must increase between two sequential stops
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 stop_sequence 15 arrival_time 09:02:06 (1749279726) is less than previous stop departure_time 09:04:06 (1749279846) - times must increase between two sequential stops
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 stop_sequence 15 departure_time 09:02:06 (1749279726) is less than previous stop departure_time 09:04:06 (1749279846) - times must increase between two sequential stops
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 stop_sequence 15 departure_time 09:02:06 (1749279726) is less than previous stop arrival_time 09:04:06 (1749279846) - times must increase between two sequential stops
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 stop_sequence 22 arrival_time 09:10:29 (1749280229) is less than previous stop arrival_time 09:13:06 (1749280386) - times must increase between two sequential stops

GTFS-rt stop_sequence not found in GTFS data E051 55 errors

All stop_time_update stop_sequences in GTFS-realtime data must appear in GTFS stop_times.txt for that trip

Sample errors
  • GTFS-rt trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 contains stop_sequence 15 that does not exist in GTFS stop_times.txt for this trip
  • GTFS-rt trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659236 contains stop_sequence 17 that does not exist in GTFS stop_times.txt for this trip
  • GTFS-rt trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632324 contains stop_sequence 14 that does not exist in GTFS stop_times.txt for this trip
  • GTFS-rt trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632317 contains stop_sequence 18 that does not exist in GTFS stop_times.txt for this trip
  • GTFS-rt trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632302 contains stop_sequence 31 that does not exist in GTFS stop_times.txt for this trip

Warnings

timestamp not populated W001 68 errors

Timestamps should be populated for all elements

Sample errors
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 does not have a timestamp
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659236 does not have a timestamp
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632337 does not have a timestamp
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632324 does not have a timestamp
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632317 does not have a timestamp

vehicle_id not populated W002 68 errors

vehicle_id should be populated for TripUpdates and VehiclePositions

Sample errors
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 does not have a vehicle_id
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659236 does not have a vehicle_id
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632337 does not have a vehicle_id
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632324 does not have a vehicle_id
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632317 does not have a vehicle_id

schedule_relationship not populated W009 136 errors

trip.schedule_relationship and stop_time_update.schedule_relationship should be populated

Sample errors
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 stop_sequence 17 (and potentially more for this trip) does not have a schedule_relationship
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659289 does not have a schedule_relationship
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659236 stop_sequence 18 (and potentially more for this trip) does not have a schedule_relationship
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:659236 does not have a schedule_relationship
  • trip_id TTR:BUSTRAM2024-2025_V2:1573_PT2-PH1-SAMEDI:632337 stop_sequence 35 (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
E002 stop_time_updates for a given trip_id must be strictly sorted by increasing stop_sequence 2 314 28 times (97 % of validations)
E022 stop_time_update arrival/departure times between sequential stops should always increase - they should never be the same or decrease. 96 934 28 times (97 % of validations)
E051 All stop_time_update stop_sequences in GTFS-realtime data must appear in GTFS stop_times.txt for that trip 2 040 28 times (97 % of validations)
W001 Timestamps should be populated for all elements 2 549 28 times (97 % of validations)
W002 vehicle_id should be populated for TripUpdates and VehiclePositions 2 549 28 times (97 % of validations)
W009 trip.schedule_relationship and stop_time_update.schedule_relationship should be populated 5 098 28 times (97 % of validations)

GTFS-RT feed content

Entities

Entities present in this feed at 2025-06-08 at 04:13 Europe/Paris.

vehicle_positions (0) service_alerts (0) trip_updates (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 2025-06-08 at 04:13 Europe/Paris. You can look at the GTFS-RT documentation.

{ "header": { "gtfsRealtimeVersion": "2.0", "timestamp": "1749348816" } }