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Posted by: thepinetree on 06/01/2017 12:33 PM Updated by: thepinetree on 06/01/2017 12:34 PM
Expires: 01/01/2022 12:00 AM

Inquiring Minds Want To Know: How Does Caltrans Find The Road?

Kennedy Meadows, CA...From Caltrans.."A lot of people wonder how we find the road through all the snow. On SR-108, the Sonora Pass, Caltrans Supervisor Chris Baker informs me that his crew locates the road by electrifying a line that is embedded in the center of the highway. He then uses a locator to detect it and as you see in the photo, puts environmentally friendly marks for the dozer to follow. The dozer then pushes snow down to the blower. And then the blower operators can follow center line from there and widen out the highway. Simple, huh?"

Comments - Make a comment
The comments are owned by the poster. We are not responsible for its content. We value free speech but remember this is a public forum and we hope that people would use common sense and decency. If you see an offensive comment please email us at
By the time they are done
Posted on: 2017-06-01 12:49:03   By: Anonymous
It'll be Winter again.

[Reply ]

    Re: By the time they are done
    Posted on: 2017-06-03 08:17:54   By: Anonymous
    Global Warming ??

    [Reply ]

Thank you!
Posted on: 2017-06-01 12:57:14   By: Anonymous
This is amazing - we tend to take this challenging work for granted, but it truly should not be. Thank you CalTrans for all your effort.

[Reply ]

    Re: Thank you!
    Posted on: 2017-06-01 13:28:08   By: Anonymous
    No kidding! Still seems pretty dangerous if there has been a washout or other hidden problem.

    Thanks, CalTrans

    [Reply ]

      Re: Thank you!
      Posted on: 2017-06-01 14:20:57   By: Anonymous
      If there were a washout, or some other type of obstruction, the little red thing will pop out, like on a turkey.

      [Reply ]

No Subject
Posted on: 2017-06-01 18:59:50   By: Anonymous
They fallow the tracks of my kickass 10 in lift turbo disel lib killing dodge!

[Reply ]

    Posted on: 2017-06-01 20:29:21   By: Anonymous
    Gloop is always here , let it rest.

    [Reply ]

No Subject
Posted on: 2017-06-01 21:31:11   By: Anonymous
There's an electrical line in the center of the road? Must be segmented? How long are the segments? They put some RF energy into it and have a sniffer for it?

Or is this purely a metal detector - but must be capable of detecting metal from over 12 feet away?

[Reply ]

    Posted on: 2017-06-02 05:18:21   By: Anonymous
    Yes, we turn the RF to the Giants station 680, since the Giants are so close to the bottom of the division the signal picks up in the bottom RF signal better. So actually up here? WE'RE GIANTS

    [Reply ]

Technology Is Great
Posted on: 2017-06-02 09:44:25   By: Anonymous
I am so glad you shared this news. It's amazing what the crews are doing.
Now we know how they are doing it!
Be careful out there.

[Reply ]

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