Is this understanding correct?
Our traffic lights are red on the left, yellow in the middle, and blue on the right.
US traffic lights are red on the left, yellow in the middle, and green on the right.
UK traffic lights are red on the left, amber in the middle, and green on the right.
Although the names are different, the colors themselves are nearly the same.
Our traffic lights go from red to yellow and then to blue.
US traffic lights go from red straight to green.
UK traffic lights go from red, to red and amber together, and then to green.
Thank you.
This doesn't seem to be a language question, Itasan, because answering it requires specific knowledge of the road systems in those countries. I'll move your thread to Cultural Anecdotes.

If it helps, 'ao shingo' should be translated as 'green light'.
Mr. M. -- I can't figure out your comment unless it implies that Japanese has a single word for blue and green. Is that the case? Interesting!
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I'm sure to get the details wrong, Jackie, so I hope that Paco or Itasan or another member will come along with an accurate account, but-- yes, formerly the same word, 'ao' was used for blue and green, although currently 'ao' is blue and 'midori' is green. Evidently in some situations, the old form is still used, and the traffic light is probably the most obvious example.
Thanks, Mr. M. -- I always think it's interesting that someimes languages divide the color spectrum differently (not that I can think of any other examples at the moment!) Isn't "Midori" the name of a cello player, and also the name of a very green melon-flavored liqueur?
Hi Khoff,
someimes languages divide the color spectrum differently (not that I can think of any other examples at the moment


In Chinese, pink is "powder red".

Midori is also the name of a famous skater -- Midori Ito. Midori is a very popular name, I think.
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Mister MicawberIf it helps, 'ao shingo' should be translated as 'green light'.

But in an episode of Digimon Adventure Zero Two which took place in the real world, the traffic light was also blue, not green. I was also surprised at the moment.