1. Traffic Light

2. Traffic Light
In 1920 Garrett Morgan invented a traffic signal it had three arms the arms went up and down.

3. Traffic lights
The traffic light tells you when to stop or go . It helps you not crash.

4. Traffic signal
This invention was made by a person named Garrett Morgan. He made an invention that was called the traffic signal it changed over time by not having the pole.

5. Traffic signals go up and down. The traffic signal has three colors.
Traffic light
Traffic signals go up and down.
The traffic signal has three colors.