answersLogoWhite

0


Best Answer

Most sources say he invented it around 1922, and applied for a patent in late 1923.

User Avatar

Wiki User

11y ago
This answer is:
User Avatar
More answers
User Avatar

Wiki User

13y ago

because there were too many accidents

This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: When did Garrett Morgan invent the traffic light?
Write your answer...
Submit
Still have questions?
magnify glass
imp