Other companies and organizations also regularly examine the density of traffic jams in Germany – with different methods and sometimes with different results. The map specialist TomTom came to the conclusion that last year Berlin was hit hardest by traffic jams, ahead of Hamburg, Wiesbaden, Nuremberg and Stuttgart. Munich only comes in seventh here. The ADAC in turn looks at the intensity of traffic jams on motorways, most of which are in North Rhine-Westphalia and Bavaria. In these studies, too, the volume of traffic jams clearly declined.
Experts view traffic jam rankings with mixed feelings. Justin Geistefeldt, Professor of Transportation at the Ruhr-Universität Bochum, finds them basically “a bit problematic” because they do not sufficiently take into account the particularities of the individual cities. “The position in the ranking says little about the quality of traffic management or the availability of alternative means of transport,” he says. Nevertheless, the studies provided certain indications: “There is hardly a better data basis for assessing the traffic jam.”
For its survey, Inrix looks at typical commuter routes in the cities examined and calculates how much time drivers lose there due to traffic jams. The company sells traffic analysis and services for connected cars to administrations and companies. The bigger the traffic jam problem appears, the better its business prospects are.
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