METHOD AND SYSTEM FOR ESTIMATING TRAVEL TIME BY USING ROAD CONDITION INFORMATION THROUGH DETERMINING EACH LINK IS A RANGE WITH TRAFFIC INFORMATION COLLECTION

摘要

PURPOSE: A method and a system for estimating the travel time by using road condition information are provided to exactly know the expected travel time when the user of the vehicle navigation device drives along the search path. CONSTITUTION: A system for estimating the travel time by using road condition information includes a global positioning system(GPS) unit(100), a path searching server(110) and a vehicle navigation device(120). The GPS unit determines the current position information of vehicle. The path searching server supplies the search path information from the current position information to the destination information by the information inputted by the user. And, the vehicle navigation device calculates the elapsed time for each link and the additional times by using the search path information from the path searching server and the previously stored search path information, and it calculates the total driving time by adding the calculated elapsed time for each link and the additional times.