Resource details

File name: Réseau Alternéo - RT - service position des véhicules
Format: gtfs-rt

GTFS RT service position des véhicules

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

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2025-08-22
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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 errors

Validation carried out using the current GTFS file and the GTFS-RT the 2025-09-20 at 09:04 Europe/Paris using the MobilityData GTFS-RT validator.

Errors

Vehicle position far from trip shape E029 2 errors

The vehicle position should be within a certain distance of the GTFS shapes.txt data for the current trip unless there is a Service Alert with the Effect of DETOUR for this trip_id.

Sample errors
  • vehicle.id 147 trip_id 1_6990065 at (-21.349014,55.512226) is more than 200.0 meters (0.12 mile(s)) from the GTFS trip shape - vehicle should be near trip shape or on DETOUR
  • vehicle.id 37 trip_id 1_6990468 at (-21.348572,55.49906) is more than 200.0 meters (0.12 mile(s)) from the GTFS trip shape - vehicle should be near trip shape or on DETOUR
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
E029 The vehicle position should be within a certain distance of the GTFS shapes.txt data for the current trip unless there is a Service Alert with the Effect of DETOUR for this trip_id. 74 29 times (97 % of validations)
W004 vehicle.position.speed has an unrealistic speed that may be incorrect 1 1 times (3 % of validations)
W008 The data in a GTFS-realtime feed should always be less than one minute old 1 1 times (3 % of validations)

GTFS-RT feed content

Entities

Entities present in this feed at 2025-09-21 at 06:50 Europe/Paris.

vehicle_positions (8) service_alerts (0) trip_updates (0)

Entities seen in the last 7 days.

vehicle_positions

Decoded GTFS-RT feed

See full payload

Here is the decoded GTFS-RT feed Protobuf at 2025-09-21 at 06:50 Europe/Paris. You can look at the GTFS-RT documentation.

{ "entity": [ { "id": "161", "vehicle": { "occupancyStatus": "MANY_SEATS_AVAILABLE", "position": { "bearing": 43.0, "latitude": -21.26080322265625, "longitude": 55.355533599853516, "speed": 8.0 }, "stopId": "0:46040C", "timestamp": "1758430219", "trip": { "directionId": 0, "routeId": "1181", "scheduleRelationship": "SCHEDULED", "tripId": "0_7998234" }, "vehicle": { "id": "161", "label": "161" } } }, { "id": "143", "vehicle": { "occupancyStatus": "EMPTY", "position": { "bearing": 219.0, "latitude": -21.28537940979004, "longitude": 55.420352935791016, "speed": 11.0 }, "stopId": "0:11285C", "timestamp": "1758430222", "trip": { "directionId": 0, "routeId": "6600", "scheduleRelationship": "SCHEDULED", "tripId": "0_7989849" }, "vehicle": { "id": "143", "label": "143" } } }, { "id": "112", "vehicle": { "currentStatus": "STOPPED_AT", "occupancyStatus": "FEW_SEATS_AVAILABLE", "position": { "bearing": 311.0, "latitude": -21.30164337158203, "longitude": 55.45799255371094, "speed": 4.0 }, "stopId": "0:03110P", "timestamp": "1758430238", "trip": { "directionId": 1, "routeId": "1030", "scheduleRelationship": "SCHEDULED", "tripId": "0_7989861" }, "vehicle": { "id": "112", "label": "112" } } }, { "id": "129", "vehicle": { "position": { "bearing": 82.0, "latitude": -21.25153350830078, "longitude": 55.35523223876953, "speed": 8.0 }, "stopId": "0:47140P", "timestamp": "1758430219", "trip": { "directionId": 1, "routeId": "8890", "scheduleRelationship": "SCHEDULED", "tripId": "0_7989925" }, "vehicle": { "id": "129", "label": "129" } } }, { "id": "40", "vehicle": { "position": { "bearing": 198.0, "latitude": -21.34174346923828, "longitude": 55.47304153442383, "speed": 0.0 }, "stopId": "0:19060C", "timestamp": "1758430214", "trip": { "directionId": 1, "routeId": "1020", "scheduleRelationship": "SCHEDULED", "tripId": "0_7997029" }, "vehicle": { "id": "40", "label": "40" } } }, { "id": "61", "vehicle": { "occupancyStatus": "FEW_SEATS_AVAILABLE", "position": { "bearing": 98.0, "latitude": -21.292049407958984, "longitude": 55.40461349487305, "speed": 6.0 }, "stopId": "0:15402C", "timestamp": "1758430227", "trip": { "directionId": 1, "routeId": "2260", "scheduleRelationship": "SCHEDULED", "tripId": "0_7989896" }, "vehicle": { "id": "61", "label": "61" } } }, { "id": "65", "vehicle": { "occupancyStatus": "MANY_SEATS_AVAILABLE", "position": { "bearing": 187.0, "latitude": -21.253028869628906, "longitude": 55.42094039916992, "speed": 9.0 }, "stopId": "0:15180C", "timestamp": "1758430234", "trip": { "directionId": 0, "routeId": "2240", "scheduleRelationship": "SCHEDULED", "tripId": "0_7994583" }, "vehicle": { "id": "65", "label": "65" } } }, { "id": "85", "vehicle": { "currentStatus": "STOPPED_AT", "position": { "bearing": 188.0, "latitude": -21.261024475097656, "longitude": 55.43753433227539, "speed": 0.0 }, "stopId": "0:11015C", "timestamp": "1758430211", "trip": { "directionId": 0, "routeId": "2210", "scheduleRelationship": "SCHEDULED", "tripId": "0_7989832" }, "vehicle": { "id": "85", "label": "85" } } } ], "header": { "gtfsRealtimeVersion": "2.0", "timestamp": "1758430242" } }