The First Traffic Lights Were in L.A. | More Things That Aren't Here Anymore | KCET

Between the 1920s and 30s, Los Angeles streets began adopting the use of traffic signals made by Acme. The lights, based on railroad signals, would alternate, red for stop and green for go, every thirty seconds. No yellow!
Want to learn more? Watch more Things That Aren't Here Anymore at bit.ly/3HI5eMp
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[@avoiding-regret]

Love this!

[@jasonervoes1326]

That's so cool

[@toast88]

Very very interesting! Keep making content plz

[@Grizzman23]

Now people are too selfish to wait that time 😅