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  1. #1
    Join Date
    Nov 2007
    SW Washington

    Default Strange poles on Interstate with radar-looking devices?

    On I-205N in Vancouver, WA there are some poles in the grass in the median (mostly by overpasses, I assume for power?) and have weird radar-looking devices on them pointing several directions. I never get any alert from them but I have wondered at times if it is for SWS because they have giant digital signs on the interstate to alert of traffic hazards, but don't alert RDs. I'll try to take a picture next time I pass one, but anybody know what they are for?

  2. #2
    Speed Demon
    Join Date
    Jun 2007


    probably just a traffic flow measuring device

    /edit: or transponder reader



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