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PhysicalQuantity

This element contains the measurement taken by the measurementSite. For completeness, the overarching structure is displayed below:

image

Elements

Element Type Mandatory Domain Description
forecast Boolean No true, false Indicates whether the value is a forecast
measurementEquipmentTypeUsed MultilingualString Yes, if value differs from the associated measurementSite See explanation Reference to the equipment type in prescribed terms
basicData BasicData Yes N/A Container element for the specialization into measured values

Attributes

Attribute Type Mandatory Domain Description
xsi:type String Yes SinglePhysicalQuantity Fixed value specifying the instantiated class

Sub-element measurementEquipmentTypeUsed

This element specifies the type of equipment the measurement site is equipped with.

Domain Value Explanation
anpr License plate recognition
bluetooth Bluetooth device passages
fcd Floating car data
infrared Infrared detection
laser Laser detection
loop Loop detection in the road surface
microwave Microwave detection
radar Radar detection
hose Detection or counting with hose sensors
video Video detection (excluding license plate recognition)
vri Traffic light control system
data fusion Combination of data collection techniques, where data is fused
other Any other form of detection or combination of techniques

Sub-element basicData

The basicData element is specialized with the xsi:type attribute to specify the data type (intensity, speed, travel time).

Attribute Type Mandatory Domain Description
xsi:type String Yes TrafficFlow, TrafficSpeed, TravelTimeData Definition of the applicable specification

Within the basicData element, a derived DataValue element is included. The structure of DataValue is as follows:

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XML Example 
<siteMeasurements>
  <measurementSiteReference id="RWS04_T_0258_ID_265" version="1" targetClass="MeasurementSite"/>
  <physicalQuantity index="0">
    <physicalQuantity xsi:type="SinglePhysicalQuantity">
      <basicData xsi:type="TravelTimeData">
        <travelTimeType>reconstituted</travelTimeType>
          <travelTime>
            <duration>58.659</duration>
          </travelTime>
      </basicData>        
    </physicalQuantity>
  </physicalQuantity>
  <measurementTimeDefault timePrecision="minute">
    <timeMeaning>beginTime</timeMeaning>
    <timeValue>2022-08-09T08:52:00.000Z</timeValue>
  </measurementTimeDefault>
</siteMeasurements>
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