A Traffic Light

Traffic Light

A Traffic Light is an environmentally friendly traffic light. Colour-changing LED technology is getting better day-by-day. In this concept, incandescent bulbs are replaced with three-colour LEDs. (The principle of optical colour mixing is used to change the colour of the LEDs.) Electrical energy from the power grid is replaced with solar energy. The use of symbols to identify more precisely so that people suffering from color weak and color blind can clearly identify, and more independence and a strong visual sense by only one light.