Samenvatting
The Haaglandenmobiel services in Haaglanden is using the Vialis Traffic Factory (VTF). In the VTF different data sources are used as inputs for the traffic model. The data from the traffic model is used for more services and customers. To offer traffic data services it is very important that the quality of the data is defined. In this paper some aspects of quality measuring are discussed and a quality measure for travel time predictors, useful for different traffic situations and time periods, is introduced. For the covering abstract see ITRD E134653