Day and night vision systems primarily comprising day and night sensors, day and night cameras, power sources, communication means, monitors and operating software; Electric or electronic sensors for detecting the presence of pedestrians, trains, and vehicles; Electric sensors; Electronic proximity sensors and switches; Occupancy sensors, namely, electronic devices which detect the presence of occupants and control the lighting system accordingly; Proximity sensors; Sensors for determining position, velocity, acceleration and temperature; Traffic control equipment, namely, actuated and pretimed traffic signal controllers; Traffic management equipment, namely, display monitors, computers, auto compasses, and software to manage traffic; Vehicle detection equipment, namely, display monitors, computers, image sensors, video cameras, and operating system and application software to detect vehicle location; Vehicle tracking devices comprised of cellular radio modules, computer software and computer hardware, sensors, transmitters, receivers and global positioning satellite receivers, all for use in connection with vehicle tracking, vehicle monitoring and anti-theft vehicle alarms; Vehicle traffic signals