Patent ID: 8878695

Claim:
A system for requesting modification of signal light control of a traffic grid, the system comprising: a vehicle computer unit, wherein the vehicle computer unit is installed in a vehicle and functions to determine the vehicle's position, direction, and velocity; a plurality of priority detector units, wherein each priority detector unit is communicatively attached to a signal light controller within the traffic grid; and a wireless network connecting the vehicle computer unit and the plurality of priority detector units; wherein the vehicle computer unit uses the vehicle's position, direction and velocity to calculate the vehicle's estimated time of arrival to a signal light within the traffic grid and sends the vehicle's estimated time of arrival to the signal light to a priority detector unit communicatively attached to a signal light controller associated with the signal light; and wherein the priority detector unit communicatively attached to the signal light controller associated with the signal light receives the vehicle's estimated time of arrival and requests modification of the signal light controller associated with the signal light based on the vehicle's estimated time of arrival.