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Add link to Wikipedia page description of Green Wave system
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edit approved Jan 28, 2015 at 21:48
BDD
edit approved Jan 28, 2015 at 21:48
BDD
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Modern city traffic lights often have a "green wave" system"green wave" system, where you can drive at the legal speed limit and always encounter green. If you are the first car in such a "wave" then the light will turn green just before you cross its line. Without a pre-green phase (in practice red-yellow) this doesn't work; you'd have to reduce speed in case the green wave has ended or been overruled.

Modern city traffic lights often have a "green wave" system, where you can drive at the legal speed limit and always encounter green. If you are the first car in such a "wave" then the light will turn green just before you cross its line. Without a pre-green phase (in practice red-yellow) this doesn't work; you'd have to reduce speed in case the green wave has ended or been overruled.

Modern city traffic lights often have a "green wave" system, where you can drive at the legal speed limit and always encounter green. If you are the first car in such a "wave" then the light will turn green just before you cross its line. Without a pre-green phase (in practice red-yellow) this doesn't work; you'd have to reduce speed in case the green wave has ended or been overruled.

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NL_Derek
NL_Derek
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Modern city traffic lights often have a "green wave" system, where you can drive at the legal speed limit and always encounter green. If you are the first car in such a "wave" then the light will turn green just before you cross its line. Without a pre-green phase (in practice red-yellow) this doesn't work; you'd have to reduce speed in case the green wave has ended or been overruled.