Patent ID: 8547251

Claim:
An on-board vehicle warning system comprising: a location detecting section configured to detect a geographic location of a host vehicle equipped with the on-board vehicle warning system, and a geographic location of a forthcoming intersection; a regulation retrieving section configured to retrieve a jurisdiction based on the geographic location of the forthcoming intersection, the jurisdiction including local intersection regulation information containing information pertaining to a vehicle position with respect to an intersection boundary at the time of a particular phase transition of a traffic light device; an incoming message receiving section configured to receive intersection status information of the forthcoming intersection containing a geographic location of a boundary of the forthcoming intersection and phase information including a current phase and a time to the particular phase transition of a traffic light device of the forthcoming intersection; and a potential violation alerting section configured to estimate a future position at which the host vehicle will be with respect to the boundary of the forthcoming intersection at the time that the particular phase transition is going to occur to determine a potential violation.