摘要 |
PROBLEM TO BE SOLVED: To provide information by accurately predicting a running time at a time when a specified time is passed after a present time based on the movement of a car together with a traffic volume immediately before the present time by solving such a problem with a conventional method in which the calculated results of running time measured and calculated on the information on running time by the present time of the starting of the running when the car runs between two points on a road that the method does not predict the running time of the car departing after the present time. SOLUTION: The results obtained by measuring and calculating averaged running time and traffic volume for each time in a road district over a specified period are recorded and stored as data, the trends of the traffic volume are classified for each factor such as a day of the week, and the averaged running time in the road district a specified time after the present time is accurately predicted by using the ratio of the results of investigation of the traffic volume in the road district immediately before the present time to the trend of traffic volume in similar classifications in the past and a correlation between the traffic volume and running speed. COPYRIGHT: (C)2003,JPO
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