LED Tunnel Sign is an effective and lifesaving stimulant on road tunnels and rail tunnels. Because of powerful LEDs it is easy to noticed. The aluminium housing is resistant to hard weather conditions. The purpose of the LED Tunnel Sign is to point out the nearest emergency exits, phone cabinets or fire extinguishers equipment. Electrical Road Stud with LEDs (Tunnel Stud) is a practical road safety equipment which provides safe passage through the tunnels. Beside tunnels, Electrical Road Stud can be used in car parking areas, gas stations, hotels, highways etc. LED Road Stud Controller enables the electric road stud to operate in desired mode. The device can be controlled from one center by SCADA control system or serial communication system.