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Old 04-06-2004, 11:56 PM   #3
Scooby Guru
Member#: 43447
Join Date: Sep 2003
Chapter/Region: MAIC
Location: Herndon, VA
2009 STI
The Good Grey


The signs appear to use K-band around here to determine when they should display their message (vehicle detection).

It costs a lot of power to run those lights, and the signs are solar/battery powered.

Some of them even have the ability to display vehicle speed. One on the DOE complex where I used to work would even calculate your speeding ticket amount...

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ydant is offline   Reply With Quote