The desired speed is an important parameter for microscopic traffic simulation. The desired speed can only be directly measured for free-flowing vehicles. However, the average speeds of unimpeded vehicles are systematically lower than the desired speeds of all vehicles. Recently, a new estimation technique in which the speeds of impeded vehicles were considered as censored values was introduced. Here, this method was applied with empirical traffic data in a modified version to estimate desired-speed distributions for two freeway sections in Germany. On the basis of simulation studies the method was shown to deliver consistent desired-speed distributions that allowed for a realistic representation of driver speed behavior within microscopic traffic simulation models.
Empirical Estimation of Desired Speed Distributions for Microscopic Traffic Simulation
Transportation Research Record: Journal of the Transportation Research Board
Transportation Research Record: Journal of the Transportation Research Board ; 2490 , 1 ; 41-46
01.01.2015
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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