SIRI-VM 2.0

Realtime vehicle position data is delivered through a vehicleMonitoringDeliveryStructure containing one or more VehicleActivity elements.

VehicleActivity

The vehicle position for one vehicle is contained in a VehicleActivity element. The following fields are supported by Samtrafiken. Any fields or attributes not on the list are ignored.

Field	Required	Notes
RecordedAtTime	Required
ValidUntilTime	Required	Ignored by Samtrafiken
MonitoredVehicleJourney > LineRef	Required
MonitoredVehicleJourney > VehicleRef	Required	A unique id for the physical vehicle. If the static data contains this vehicle, then the id should match the static data. The value should be a positive number.
MonitoredVehicleJourney > FramedVehicleJourneyRef > DatedVehicleJourneyRef	Required	Reference to `ServiceJourney` in the static data, for example `SE:022:ServiceJourney:1234567-12345`
MonitoredVehicleJourney > FramedVehicleJourneyRef > DataFrameRef	Required	Trip start date in YYYY-MM-DD format. Used to match with static data
MonitoredVehicleJourney > VehicleLocation > Latitude	Required	Northing coordinate, WGS84
MonitoredVehicleJourney > VehicleLocation > Longitude	Required	Easting coordinate, WGS84
MonitoredVehicleJourney > VehicleLocation[SrsName]	Optional	WGS84 when unspecified. WGS84 is recommended since this avoids possible loss of resolution during conversion. Valid values: WGS84 4326 SWEREF99TM RT90
MonitoredVehicleJourney > Bearing	Optional	Compass bearing in degrees (0-359.99), rounded down to the nearest integer by Samtrafiken.
MonitoredVehicleJourney > Velocity	Optional	Speed, in kilometers per hour, rounded down to the nearest integer by Samtrafiken..
MonitoredVehicleJourney > Occupancy	Optional	Realtime occupancy. One of `full` `standingAvailable` `seatsAvailable`
MonitoredVehicleJourney > Delay	Required	Ignored by Samtrafiken, Samtrafiken reads delays from SIRI-ET streams. Required in order to adhere to the Nordic SIRI profile. Duration which can be negative if the vehicle is early. `PT0S` when there are no delays.

Example

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<vehicleMonitoringDeliveryStructure version="2.0" xmlns:ns5="http://www.siri.org.uk/siri" xmlns:ns2="http://www.ifopt.org.uk/acsb" xmlns:ns4="http://datex2.eu/schema/2_0RC1/2_0" xmlns:ns3="http://www.ifopt.org.uk/ifopt">
    <ns5:ResponseTimestamp>2024-10-21T18:10:15+02:00</ns5:ResponseTimestamp>
    <ns5:SubscriberRef>Samtrafiken</ns5:SubscriberRef> <!-- SubscriberRef, according to the publish/subscribe subscription when using publish/subscribe for data transfer -->
    <ns5:SubscriptionRef>vehicle_monitoring-1729534205</ns5:SubscriptionRef> <!-- subscription reference, only present when using publish/subscribe for data transfer -->
    <ns5:VehicleActivity> <!-- One VehicleMonitoringDeliveryStructure contains one or more VehicleActivities -->
        <ns5:RecordedAtTime>2024-10-21T18:09:56+02:00</ns5:RecordedAtTime> <!-- Position timestamp -->
        <ns5:ValidUntilTime>9999-12-31T23:59:59+01:00</ns5:ValidUntilTime>
        <ns5:MonitoredVehicleJourney>
            <ns5:LineRef>SE:022:Line:9011000000001000</ns5:LineRef>
            <ns5:FramedVehicleJourneyRef>
                <ns5:DataFrameRef>2024-10-21T04:00:00</ns5:DataFrameRef>
                <ns5:DatedVehicleJourneyRef>SE:022:ServiceJourney:0000001-0000001</ns5:DatedVehicleJourneyRef>
            </ns5:FramedVehicleJourneyRef>
            <ns5:DataSource>DinTur</ns5:DataSource>
            <ns5:VehicleLocation>
                <ns5:Longitude>17.32767</ns5:Longitude>
                <ns5:Latitude>62.395068</ns5:Latitude>
            </ns5:VehicleLocation>
            <ns5:Bearing>129.0</ns5:Bearing>
            <ns5:Delay>-PT15S</ns5:Delay>
            <ns5:VehicleRef>3830101497</ns5:VehicleRef>
        </ns5:MonitoredVehicleJourney>
    </ns5:VehicleActivity>
    <ns5:VehicleActivity>
    ...
    </ns5:VehicleActivity>
</vehicleMonitoringDeliveryStructure>