1. A method for controlling the travel of a motor vehicle comprising: a) scanning the roadway along which a motor vehicle is traveling with a video scanning means supported by said motor vehicle and generating a train of video signals as the vehicle travels said roadway, b) computer processing and analyzing each video signal as it is generated and generating a first train of first code signals which first code signals define information relating to the identification of objects ahead of said motor vehicle, such as at least one other vehicle traveling in the same direction as said motor vehicle, c) employing said first code signals to control the operation of a first intelligible indicating means to cause it to indicate to the driver of said motor vehicle the identification and distance to the object directly ahead of said vehicle.