1. A method of providing traffic sign warnings to a driver of a moving vehicle, the method comprising: optically scanning an area in front of the moving vehicle to obtain an image of said area in front of the moving vehicle; detecting and recognizing a road sign in said image; determining a location of a recognized road sign in the image, relative to the moving vehicle; determining a first vehicle operation parameter that should be changed responsive to a recognized road sign; optically scanning a driver's head and eyes; calculating at least one focal point of the driver's eyes from said optical scanning step; determining whether the driver has seen the recognized road sign from the determined focal points and the location of a recognized road sign relative to the moving vehicle; determining whether the driver has changed a vehicle operation parameter; if the driver has not changed the vehicle operation parameter, providing a first warning to the driver responsive to the road sign.