TPI 360° road monitoring prism consist of a metal cast holder for superior durability and reliability. It features three 10 mm mini prisms for 360° measurements capability. The holder is 4" diameter and 0.7" height off pavement. The road prism can be cemented on a flat surface with any AASHTO rated adhesive such as hot hot melt tar, epoxy, etc. It can also be bolted in place.

  • 360° measuring

  • -13 mm offset

  • Tough metal construction

  • Reusable design

  • High quality glass optical prism

  • Easy to install, cementing or bolting

  • Field installable

  • Non distracting to drivers

  • Used with AMTS systems to monitor displacement of inaccessible locations, such as active roads

TPI Road Monitoring Prism

SKU: 323380740407
$98.00Price
    • 360° measuring

    • -13 mm offset

    • Tough metal construction

    • Reusable design

    • High quality glass optical prism

    • Easy to install, cementing or bolting

    • Field installable

    • Non distracting to drivers

    • Used with AMTS systems to monitor displacement of inaccessible locations, such as active roads

  • Orders are shipped Monday – Friday 8 am - 2 pm Pacific Standard time in the order in which they are received. Order processing is usually done within one (1) business day.  Occasionally, when the amount of incoming orders is high or there is a holiday, processing time may take slightly longer.

    Domestic Orders:

    All of our online items are also available for In Store Pickup at our storefront. We are located at 322 N Helena St, Spokane, WA 99202.

    Depending on the physical size of the order, our items are shipped via USPS First Class, USPS Priority Mail, or UPS. Only smaller items are generally shipped via USPS. Please note, some orders may require a signature for delivery.

    Please Note: Unforeseen circumstances (examples include extreme weather and/or Pandemics) may temporarily cause your shipment/delivery to be delayed.

    Canadian Orders:

    Please note that International buyers are responsible for import duties, taxes and fees (if any). Please check with your country's customs office to determine what those charges might be. See our International Shipping & Return Policy for more details.

    All orders shipping to Canada are shipped via UPS Standard or, if expedited shipping is purchased, UPS Worldwide Expedited. This is done to ensure that your order arrives in a timely manner and in the condition in which you purchased it.

    Please Note: While we do our best to get your order to you quickly, the amount of time your order is in Customs may vary and be influenced by the amount of time it takes UPS to be able to reach you to get the Customs fees paid. Also, unforeseen circumstances (examples include extreme weather and/or Pandemics) may temporarily cause your shipment/delivery to be delayed.

    International Orders:

    Please note that International buyers are responsible for import duties, taxes and fees (if any). Please check with your country's customs office to determine what those charges might be. See our International Shipping & Return Policy for more details.

    All International orders are shipped via UPS Worldwide Expedited. This is done to ensure that your order arrives in a timely manner and in the condition in which you purchased it.

    ​Please Note: While we do our best to get your order to you quickly, the amount of time your order is in Customs may vary and be influenced by the amount of time it takes UPS to be able to reach you to get the Customs fees paid. Also, unforeseen circumstances (examples include extreme weather and/or Pandemics) may temporarily cause your shipment/delivery to be delayed.

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