Electronic devices, namely, roadway sensors and video traffic detection systems comprised of analog or digital video cameras, image processing software and image processing electronic modules and input/output distribution panels and input/output distribution electronic modules used to acquire an image of a roadway and to analyze the image to determine the presence of vehicles on the roadway and characteristics of the vehicles such as speed, direction, traffic control devices, traffic management systems, and traffic information systems; [ electronic sensors for detection roadway conditions and providing driver alerts and information, namely, automotive sensors for acquiring images of the environment in or around a vehicle, for processing the images to determine information such as vehicle position on the roadway, location/speed/direction of other vehicles or objects, lighting conditions, precipitation, and for using the images and information derived from the images as inputs to automotive devices to provide driver alerts or warnings; ] and computer software for collecting, analyzing, distributing and displaying roadway traffic information and operating roadway traffic management systems