A system and method for in-car navigation systems that could recommend using high occupancy vehicle (HOV) or carpool lanes when there is a passenger in the vehicle is disclosed. Accordingly, the vehicle control system may share the vehicle occupancy information with the navigation system that may recommend using the HOV lane when the vehicle occupancy is more than one. The system may include one or more sensors that detect the number of occupants in the vehicle and provide inputs to the vehicle control system architecture. The vehicle control system shares occupancy status with the in-car navigation system. The in-car navigation system may choose between a HOV lane and regular passing lane for better traffic flow and may recommend using the HOV lane when the vehicle occupancy is more than one. The advantages of the system include more efficient commuting without lane violation. The system may also be used in automated driving cars.
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J. R. Milne and Carlsson, Greg, "Automatic Occupancy Sensing And Navigation Through Hov Lanes", Technical Disclosure Commons, (May 08, 2017)