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When We Were Still Getting Used to Traffic Lights

Via my Atlantic colleague Kasia Cieplak-Mayr von Baldegg, check out this educational film produced by Chevrolet in 1937, titled Seeing Green. It's easy to forget that at one point in our history, there was no national standard that red meant stop, and green meant go — many cities operated their own unique versions of automated traffic signals, some with four colors, and others with only two. The film also explains some of the basic mechanics of how lights were coordinated across a city at the time.

To watch this film in its entirety, visit the Prelinger Archive.

Sommer Mathis is editor of The Atlantic Cities. Previously she spent five years editing and reporting on the D.C. metro area at DCist.com and TBD.com. All posts »

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