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Old April 25th 05, 04:59 PM
Matthew Russotto
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In article >,
Bob Ward > wrote:
>On Sun, 24 Apr 2005 15:57:34 -0500, Alan wrote:
>
>>Not to mention that many traffic light systems have sensors imbedded in the
>>road, and if you don't pull up to within a few feet of the car in front,
>>the system may not realize how many cars are waiting, and may not give you
>>a green light for a long time. Or, may give you a short green, because it
>>thinks only a couple cars are waiting.
>>

>Can you follow your own advice and provide a cite that indicates that
>this is actually how the sensors work, or are you one of those twits
>that keeps pressing the "Walk" button to try to convince the signal
>that there is a large crowd waiting to cross?


It's pretty easy to see when such a system is in use -- there will be
an extra sensor loop (visible because of the sealant) back from the usual
one.

I've seen some lights that won't give a green in a particular
direction if both sensor loops aren't occupied.
--
There's no such thing as a free lunch, but certain accounting practices can
result in a fully-depreciated one.
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