Patent attributes
A device and method for providing speed limit and other roadway and traffic information to a vehicle. A signal is transmitted from a remote source, such as a satellite, to one or more ground transmitters. The ground transmitters are located apart from each other and adjacent to various sections of roadway, which may include work zones, school zones, residential areas, truck routes, interstate corridors, and highways, or in other vehicles, such as law enforcement and emergency vehicles. The ground transmitters have the necessary hardware and software for receiving and transmitting speed limit and other roadway information. The receiving device has the necessary hardware and software to receive speed limit and other information, and may translate speed information to vehicle components, such as an engine control computer for fuel and/or speed control. The receiver may use various signals audibly and visually to insure a higher level of driver awareness.