1. A system for monitoring the position of a vehicle relative to an intersection, comprising: a positioning system arranged in the vehicle for determining the absolute position of the vehicle, a memory unit arranged in the vehicle for storing data relating to edges of at least one lane of the roadway on which the vehicle is traveling and edges of an intersecting lane at an intersection, and a processor coupled to said positioning system and said memory unit for determining when the vehicle has entered the intersection of the roadway on which the vehicle is traveling and the intersecting lane section.