Some parts of Poland have speed signs that tell you how fast to go (obviously slower than the speed limits) to catch a green. I imagine that system is elsewhere too  I'd personally prefer that over an in car system to make it available to everyone (not just new car owners  )
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Cars have not created a new problem. They merely made more urgent the necessity to solve existing ones.
Last edited by trebuchet03; 10-30-2008 at 08:00 PM..
Reason: grammar
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