Patent attributes
Accident avoidance system onboard a host vehicle includes a position determining system for determining position information for the host vehicle based on signals received from a plurality of satellites, a transmitter for broadcasting the position information for the host vehicle to locations remote from the host vehicle, a receiver for receiving a traffic information broadcast from an infrastructure system including vehicle position information received from position-reporting vehicles and vehicle position information received from an active position determining system that acquires position information for non-position-reporting vehicles, and an accident risk warning system. The risk warning system alerts an operator of the host vehicle of a risk of an accident involving the host vehicle based on the vehicle position information for the host vehicle and map data representing a roadway that the host vehicle is approaching or traveling on including edges or lane boundaries of the roadway.
