Tutorial Vehicle-Hours-Traveled (VHT)

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Vehicle-Hours-Traveled (VHT) is calculated from the Link_Lane_Detector output file to match the Veh Hours Traveled (Column W) given in the LinkResults output file. Using R (or Excel), $$N$$ determines the number of vehicles traversing the subject link; $$TT_i$$ determines the travel time across subject link for vehicle $$i$$; $$VHT$$ is then calculated by $$\sum_{i=1}^\N\ TT_{i}$$.