OptionalcongestionAverage congestion level as a percentage increase in travel time above free-flow conditions.
OptionalfreeAverage free-flow speed based on static factors (km/h), the speed under ideal, uncongested conditions.
OptionalnetworkSum of all road network segments with available data (meters).
OptionalspeedAverage speed on the road network (km/h).
OptionaltravelAverage travel time per 10 km (minutes).
Traffic metric values for an area or time period.
Remarks
All fields are optional, because only the metrics in the requested
metricsare present.