Fig. 3From: Travel time predictions: should one model speeds or travel times?a ECDF of average speed for all links (in m/s). Hietzing (blue), Westbahnhof (black, dotted), Ring (red, dashed), Südosttangente (green, dash-dotted). b Typical grouped (over intervals) plot of link speed measurements in km/h (including confidence intervals) for one link in HietzingBack to article page