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SUMO (FU Bozen) > Daniel Krajzewicz > 07_11_14_DLR_dkrajzew_SUMO_FUBozen.ppt> 09.11.2005

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Traffic Demand Possible Sources

Accurate but sparse

No information about who is driving from which place to which place, only how many vehicles have passed a certain place

Less accurate than induction loops and sparse, too – mainly for some major inner-city junctions

Information about flow spread on junctions

Even less accurate (estimated), but cover a complete area

Real (physical) measures are done at induction loops

Counts at junctions may provide flows and turning ratios

Traffic scientists estimate demands on district level

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