This information providing system (1) is provided with a storage unit (13) which stores difference data, a first acquisition unit (S10, S11), a difference calculation unit (S20, S22, S21, S23), a correction unit (S12, S33) and a presenting unit (S32, S35). The difference data includes difference data groups each corresponding to a road segments including multiple difference data records. Each difference data record indicates difference information about the difference between a predicted travel time needed to travel a road segment and a measured travel time, which is how long it has taken a vehicle to actually travel the road segment. The first acquisition unit acquires the predicted travel time needed for a vehicle to travel the target road segment at the current time. The difference calculation unit calculates a difference statistic by performing prescribed statistical processing on the difference data records corresponding to the target road segment. The correction unit calculates a difference-adjusted needed time by adjusting, on the basis of the difference statistic, the predicted travel time acquired by the first acquisition unit.
TRAFFIC INFORMATION PROVIDING SYSTEM
07.10.2015
Patent
Elektronische Ressource
Englisch
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