Inventions · Topic 42 of 54
The Traffic Light
⭐ MasteredTraffic lights control the flow of cars and people at junctions by showing red, amber and green lights in a set order. They help keep roads safe.
💡 Fun fact
The first traffic light was installed in London in 1868 and was powered by gas.
All about The Traffic Light
Traffic lights control the flow of cars and people at junctions by showing red, amber and green lights in a set order. They help keep roads safe.
The first traffic light was installed in London in 1868.
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Real-life uses of The Traffic Light
- Crossing roads safely
- Managing traffic at junctions
- Teaching road safety
Frequently asked questions about The Traffic Light
What do traffic lights show?
Red, amber and green.
Where was the first installed?
London.