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Here are some things you didn't know about traffic lights (which are 101 years old today) | Metro News
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Upgraded traffic signals for Liverpool City Region to reduce emissions and save money | Liverpool City Region Combined Authority - News
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Old vintage traffic signals / traffic lights on the Isle of Wight. Signal lights can only show a green OR red stop signals (no amber colour) UK (98 Stock Photo - Alamy
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Cambridge's smart traffic signals: Artificial intelligence used to help improve flow at key junctions
In the UK, when referring to traffic lights, do the signs have the word ' light' on them or do they just state the color? - Quora
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