1. Method for detecting a clear path of travel for a vehicle utilizing analysis of a plurality of images generated by a camera device located upon the vehicle, the method comprising: monitoring the images; analyzing the images comprising determining a clear path upon which a potential road surface can be estimated from other portions of the images that do not indicate a potential road surface, determining an image of a traffic infrastructure indication; determining the content of the traffic infrastructure indication; modifying the clear path based upon the content of the traffic infrastructure indication; and utilizing the modified clear path in navigation of the vehicle.