About International Traffic Light Day
The American Traffic Signal Company installed a traffic signal system on 5 August 1914. It was mounted on the corner of East 105th Street and Euclid Avenue in Cleveland, Ohio.
- Did you know? There’s a set of traffic lights in Dresden, Germany that has remained red since its installation 30 years ago.
- Did you know? The world's first traffic light was a manually operated gas-lit signal installed in London in December 1868. It exploded less than a month after it was implemented, injuring its policeman operator.
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Other Observances on August 5th 2025
National Night Out Day
An annual community-building campaign that promotes police-community partnerships and neighborhood camaraderie
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