Inventors:
Jack M. Erick - Amarillo TX
Assignee:
Dynamic Vehicle Safety Systems, Ltd. - Amarillo TX
International Classification:
B61L 110
US Classification:
701301, 340933, 340901, 701 19
Abstract:
A processor ( ) located on a vehicle processes GPS coordinates input thereto to provide an area of protection around the vehicle. Railroad grade crossing data ( ) stored in a data base ( ) is read therefrom to ascertain whether a grade crossing is within the area of protection. If so, heading data ( ) stored in association with the grade crossing data ( ) is compared with the heading of the vehicle to determine if the vehicle is on a road that intersects the grade crossing. If so, a first level alert is provided to the vehicle operator. If, in addition, a train is in the vicinity of the crossing, a second level alert is provided to the operator of the vehicle.