SIGN TEXT DISPLAY FOR VEHICLE NAVIGATION SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a vehicle navigation system for indicating the current position of a vehicle which provides improved guidance to a driver when he/she is existing from a freeway onto a freeway connector segment. SOLUTION: The sign text data for the freeway connector segment of the segment prior to the last freeway connector segment connecting to the destination street Ast. is displayed at the first guidance point GPT 1 before a vehicle passes through the first decision point DPT 1 upon exiting the freeway FwyA. After the vehicle passes the first decision point DPT 1 on the freeway connector, if the sign text data for the last freeway connector segment is included in the sign text data for the freeway connector segment of one segment before the last road segment, the last sign text data is displayed, and if not, the sign text data for the freeway connector segment of one segment before the last is displayed.