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  4. Floating Car Data: travel time estimation methods using micro-simulation evaluation
 
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conference paper not in proceedings

Floating Car Data: travel time estimation methods using micro-simulation evaluation

Torday, A.
•
Dumont, A.-G.  
2004
11th World Congress on Intelligent Transport Systems (ITS)

Floating Car Data (FCD) is becoming a more and more popular technique for travel time measurements in road networks. Nevertheless, FCD is a sampling technique which requires controlling the statistical properties of link travel times to obtain accurate estimations. Based on microsimulation outputs, this paper shows which parameters play a key role in the travel time estimation accuracy, particularly in the case of urban networks. Among them, aggregation period and link definition are the most critical ones. They must be properly chosen according to the equipped vehicles ratio.

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