A traffic light is a vital device for regulating road traffic, composed of several key parts that work together to guide vehicles and pedestrians safely.
Below is a concise introduction to its main components.
Signal Housing: The outer casing that protects the internal components. It is usually made of weather-resistant materials (such as aluminum or polycarbonate) to withstand outdoor conditions like rain, dust and extreme temperatures, ensuring the light’s durability.
Light Modules: The core part that emits red, yellow and green lights. Each module contains LED bulbs (now widely used for energy efficiency and long life) to display different signals: red for stop, yellow for prepare to stop, and green for go.
Lens Cover: A transparent or translucent cover over each light module. It diffuses the light evenly to ensure visibility from a distance, even in bright sunlight or harsh weather, and also protects the LED bulbs from damage.
Control Unit: The “brain” of the traffic light, usually installed in a separate cabinet nearby. It uses timers or sensors to control the sequence and duration of each light, adapting to traffic flow changes.
Mounting Bracket/Arm: The part that attaches the traffic light to a signal pole. It is designed to position the light at a suitable height and angle, ensuring it is clearly visible to all road users.
+86 18921945330 
Call