Do you have a timer on traffic lights in your country

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In China, there is a timer on traffic lights for a cue so that the traffic will be in good order. The day before yesterday, My client from England told me there was no timer on traffic lights in England. I don't know if the situation exists all the country or only the place he lives. However, it is both unbelievable. That's dangerous. So is there such a situation in your city? What do you think about it?