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

4 717 errors, 464 warnings

Validation carried out using the current GTFS file and the GTFS-RT the 2025-04-03 at 09:11 Europe/Paris using the MobilityData GTFS-RT validator.

Errors

stop_times_updates not strictly sorted E002 106 errors

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

Sample errors
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659185 stop_sequence [17, 15] is not strictly sorted by increasing stop_sequence
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659153 stop_sequence [18, 19, 20, 21, 23, 24, 17] is not strictly sorted by increasing stop_sequence
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654108 stop_sequence [9, 18, 16, 11, 10, 15, 7, 12, 13, 8, 14, 17] is not strictly sorted by increasing stop_sequence
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654076 stop_sequence [18, 17] is not strictly sorted by increasing stop_sequence
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654017 stop_sequence [30, 20, 25, 18, 22, 27, 29, 26, 19, 23, 24, 28, 21] is not strictly sorted by increasing stop_sequence

Sequential stop_time_update times are not increasing E022 4 516 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_V2:1571_PT2-PH1-JEUDI:659185 stop_sequence 15 arrival_time 09:11:36 (1743664296) is less than previous stop arrival_time 09:14:36 (1743664476) - times must increase between two sequential stops
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659185 stop_sequence 15 arrival_time 09:11:36 (1743664296) is less than previous stop departure_time 09:14:36 (1743664476) - times must increase between two sequential stops
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659185 stop_sequence 15 departure_time 09:11:36 (1743664296) is less than previous stop departure_time 09:14:36 (1743664476) - times must increase between two sequential stops
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659185 stop_sequence 15 departure_time 09:11:36 (1743664296) is less than previous stop arrival_time 09:14:36 (1743664476) - times must increase between two sequential stops
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659185 stop_sequence 22 arrival_time 09:21:32 (1743664892) is less than previous stop arrival_time 09:24:36 (1743665076) - times must increase between two sequential stops

GTFS-rt stop_sequence not found in GTFS data E051 95 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_V2:1571_PT2-PH1-JEUDI:659185 contains stop_sequence 15 that does not exist in GTFS stop_times.txt for this trip
  • GTFS-rt trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659153 contains stop_sequence 17 that does not exist in GTFS stop_times.txt for this trip
  • GTFS-rt trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:653960 contains stop_sequence 13 that does not exist in GTFS stop_times.txt for this trip
  • GTFS-rt trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:653943 contains stop_sequence 26 that does not exist in GTFS stop_times.txt for this trip
  • GTFS-rt trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:653926 contains stop_sequence 21 that does not exist in GTFS stop_times.txt for this trip

Warnings

timestamp not populated W001 116 errors

Timestamps should be populated for all elements

Sample errors
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659185 does not have a timestamp
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659153 does not have a timestamp
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654108 does not have a timestamp
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654076 does not have a timestamp
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654017 does not have a timestamp

vehicle_id not populated W002 116 errors

vehicle_id should be populated for TripUpdates and VehiclePositions

Sample errors
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659185 does not have a vehicle_id
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659153 does not have a vehicle_id
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654108 does not have a vehicle_id
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654076 does not have a vehicle_id
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654017 does not have a vehicle_id

schedule_relationship not populated W009 232 errors

trip.schedule_relationship and stop_time_update.schedule_relationship should be populated

Sample errors
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659185 stop_sequence 17 (and potentially more for this trip) does not have a schedule_relationship
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659185 does not have a schedule_relationship
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659153 stop_sequence 18 (and potentially more for this trip) does not have a schedule_relationship
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:659153 does not have a schedule_relationship
  • trip_id TTR:BUSTRAM2024-2025_V2:1571_PT2-PH1-JEUDI:654108 stop_sequence 9 (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 3 115 30 times (100 % of validations)
E022 stop_time_update arrival/departure times between sequential stops should always increase - they should never be the same or decrease. 129 938 30 times (100 % of validations)
E051 All stop_time_update stop_sequences in GTFS-realtime data must appear in GTFS stop_times.txt for that trip 2 668 30 times (100 % of validations)
W001 Timestamps should be populated for all elements 3 344 30 times (100 % of validations)
W002 vehicle_id should be populated for TripUpdates and VehiclePositions 3 344 30 times (100 % of validations)
W009 trip.schedule_relationship and stop_time_update.schedule_relationship should be populated 6 688 30 times (100 % of validations)

GTFS-RT feed content

Entities

Entities present in this feed at 2025-04-04 at 01:59 Europe/Paris.

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

The timestamp field appears to be too old compared to the current time: the delay is 5 749 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 2025-04-04 at 01:59 Europe/Paris. You can look at the GTFS-RT documentation.

{ "header": { "gtfs_realtime_version": "2.0", "timestamp": "1743724791" } }