Fig. 9From: Modelling travel time uncertainty in urban networks based on floating taxi dataModel for the correlation as a function of distance and Ï„ values for the four datasets. H (blue), WBH (black, dotted), R (red, dashed), SOT (green, dash-dotted). a Ï„=1, b Ï„=0.8, c d=0km, d d=0.5kmBack to article page