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By David (anonymous) | Posted March 15, 2009 at 15:46:35
It's agonizing to go from an area that has all the traffic lights sensored, to one that uses timed lights. Not only is stopping traffic for no purpose wasteful, but it generates more noise with everyone re-accellerating. The sensored lights can be made very intelligent, such as stopping only the direction of traffic impeding the car in the left-turn lane, although to do it right, intersections need to be designed with the sensors in mind. You get better traffic flow, less frustrated drivers, and by not stopping cars unnecessarily, it relieves the biggest problem of traffic lights, which is bunching all cars together - cars flow with more separation. Any opportunity to install sensored lights is well worth the cost.
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