Computer hardware for application in the transport and traffic industry, including by land, air and water; computer software for central or distributed monitoring and control of variable traffic signs and displays, traffic lights, vehicle detection systems, road barriers, video surveillance, weather and surface monitoring and prediction systems, air quality monitoring systems, ventilation systems, safety systems, monitoring and prediction systems, air quality monitoring systems, ventilation systems, safety systems, emergency road telephones, power supply systems, lights and illumination measurement and emergency announcement systems, for application in the transport and traffic industry, including by air, land and water; measuring, regulating, registering and analysis apparatuses, namely, variable traffic signs and displays, namely, luminous or mechanical variable road signs and displays, traffic lights, vehicle detection systems primarily comprised of inductive loop, radar, infrared and/or ultrasound equipment capable of detecting, classifying and measuring the speed of the vehicle, electronic road barriers, electronic video surveillance installations, weather and surface monitoring and prediction systems primarily comprised of thermometers, barometers, active and passive surface probes, surface salinity meters, wind speed meters, wind direction indicators, visibility meters, humidity meters, precipitation detectors, early icing detection and short term (3 hours) weather forecast, air quality monitoring system primarily comprised of dust and smoke particle, carbon monoxide (CO), sulphur monoxide and sulphur dioxide detectors, ventilation systems, namely, climate control systems consisting of digital thermostats, air conditioning, heating, ventilation and drying control devices, measuring and control devices for air conditioning technology, fire alarm and countermeasure, intrusion alarm systems, emergency road telephones, power supply systems primarily comprised of power transformers, power controllers, distribution cabinets, rectifiers, voltage regulators and uninterruptible power supplies, lights and illumination measurement and emergency announcement systems primarily comprised of roadside and tunnel illumination, emergency signal transmitters, loudspeakers