A navigation information providing device recognizes traveling status information of a vehicle senses a behavioral state or physiological state of a driver to recognize the driver's situation information and sets a rule including a form and a time for navigation information to be provided to the driver per traveling status information and driver's situation information. The navigation information providing device searches navigation information that corresponds to the driver's situation information and the vehicle's traveling status information, determines the form and time of navigation information to satisfy the rule, and provides navigation information to the driver according to the determined form and time.
Device and method for providing navigation information