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cuts in pavement at intersections

Discussion in 'The Lounge' started by 77Jimmy, Aug 25, 2003.

  1. 77Jimmy

    77Jimmy 1/2 ton status

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    A few days ago, I stop at one of the intersections w/ a light near my home. I notice that now there are little cuts in the pavement. Now I've seen these before at other intersections and have figured out that somehow when someone drives over them, the light will change. When they cut the pavement, what are they doing? Laying some sort of pressure sensitive cable or something in the groove??? Always wondered how this works. /forums/images/graemlins/grin.gif
     
  2. Confedneck

    Confedneck 3/4 ton status

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    im willing to bet that you're seeing what we call "drunk bumps", how far before the intersection are they?
     
  3. kennyw

    kennyw N9PHW Premium Member

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    It is a magnetic sensor (hall effect I believ
     
  4. kennyw

    kennyw N9PHW Premium Member

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    It is a magnetic sensor (hall effect I believe) to detect when a vehicle is at the intersection. Many people with lifted toyota's, jeeps, ect and many motorcycles have problems tripping these and getting the turn arrow or green lights because there is not enough metal close enough to the sensor.
     
  5. heavy4x4

    heavy4x4 1/2 ton status

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    Yep, they are magnetic fields that sense a car is waiting.

    Here's a little tip for you...often times you'll find two of those "boxes" in the left-hand turn lane of an intersection. If you're the first (and only) vehicle there, stop right over the first of the two boxes (furthest from the intesection) and you'll get a green arrow instead of the traffic across from you getting a green light. /forums/images/graemlins/wink.gif /forums/images/graemlins/thumb.gif
     
  6. MOABDADC22

    MOABDADC22 1/2 ton status

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    Nope.............WRONG!!!! These are scanners planted by the CIA. When you drive over them, they forward your name, address, SSN, pant size, boxers? or briefs? and any firearms you own. True Story.................... /forums/images/graemlins/eek.gif /forums/images/graemlins/eek.gif /forums/images/graemlins/grin.gif /forums/images/graemlins/grin.gif
     
  7. landsmasher

    landsmasher 1/2 ton status

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    MoabDad I didn't know you drank! /forums/images/graemlins/rotfl.gif
     
  8. 77Jimmy

    77Jimmy 1/2 ton status

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    Thanks to all for the info! I learn something new everyday! /forums/images/graemlins/grin.gif /forums/images/graemlins/thumb.gif
     
  9. ramjet gmc

    ramjet gmc CK5 Staff Staff Member Moderator GMOTM Winner

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    a little late to this post but i install them the wire is called loop and like a #14 wire and normaly wraps in a cir 3 times and goes back to j box on the side walk you can allso find in on a highway to count cars they are things called pizzo sensers that can way your truck as you drive over it is the size of a shoebox cool hua /forums/images/graemlins/thumb.gif

    and
    [ QUOTE ]
    These are scanners planted by the CIA. When you drive over them, they forward your name, address, SSN, pant size, boxers? or briefs? and any firearms you own. True Story....................



    [/ QUOTE ]

    /forums/images/graemlins/thumb.gif
     
  10. sled_dog

    sled_dog 1 ton status

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    [ QUOTE ]
    Nope.............WRONG!!!! These are scanners planted by the CIA. When you drive over them, they forward your name, address, SSN, pant size, boxers? or briefs? and any firearms you own. True Story.................... /forums/images/graemlins/eek.gif /forums/images/graemlins/eek.gif /forums/images/graemlins/grin.gif /forums/images/graemlins/grin.gif

    [/ QUOTE ] FINALLY SOMOENE ELSE KNOWS THE TRUTH!! too bad they will kill us promptly....
     
  11. Confedneck

    Confedneck 3/4 ton status

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    [ QUOTE ]
    [ QUOTE ]
    Nope.............WRONG!!!! These are scanners planted by the CIA. When you drive over them, they forward your name, address, SSN, pant size, boxers? or briefs? and any firearms you own. True Story.................... /forums/images/graemlins/eek.gif /forums/images/graemlins/eek.gif /forums/images/graemlins/grin.gif /forums/images/graemlins/grin.gif

    [/ QUOTE ] FINALLY SOMOENE ELSE KNOWS THE TRUTH!! too bad they will kill us promptly....

    [/ QUOTE ]
    ::mutters::aluminum foil hats..::endofmuttering::
     

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