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September 12, 2011 06:36 pm PDT
Original Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/Q7n722Wd9nc/a-new-kind-of-traffic-signal.html
A new kind of traffic signal
Compared to traffic signals that force you to stop your car and then bring it back up to speed again, traffic controls like roundabouts save energy and money, and reduce pollution. The trouble is that roundabouts don't work in all … Continue readingOriginal Link: http://feeds.boingboing.net/~r/boingboing/iBag/~3/Q7n722Wd9nc/a-new-kind-of-traffic-signal.html
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