>Now tell me, isn't the yellow lamp stupid?  why not flash the green lamp
>during the last 10 seconds of the "green" status?  Can you imagine the
>savings? Lamps, relays, wires, supports, weight, cables...

Flashing an incandescent lamp decreases its life.  The startup currents
kill the filaments MUCH more than continuous on.

Wagner, I thought you'd have known that!

>Here in Orlando, we have a traffic light, they installed a xenon lamp
>flashing right in front the RED lamp... it is very difficult to see the
>lamp in the middle of all of those flashy advertisements.

They used them in NC at bad intersections, particularly on long straight
roads frequented by truckers but with an occasional plant entrance.

Andy

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Andy Kunz               Life is what we do to prepare for Eternity
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andy@rc-hydros.com      http://www.rc-hydros.com     - Race Boats
andy@montanadesign.com  http://www.montanadesign.com - Electronics
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