CDOT rapid debris removal research project.
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CDOT rapid debris removal research project.

Filetype[PDF-595.75 KB]


English
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Details:

  • Creators:
  • Corporate Creators:
    Colorado State University
  • Corporate Contributors:
    United States. Federal Highway Administration
  • Subject/TRT Terms:
  • Publication/ Report Number:
    CDOT-2014-9
  • Resource Type:
    Tech Report
  • Geographical Coverage:
    Colorado
  • Corporate Publisher:
    Colorado. Dept. of Transportation. Applied Research and Innovation Branch
  • Abstract:
    Highway debris represents a traffic safety problem that requires a prompt response from state or local transportation

    agencies. The most common practice for debris removal currently is for agency personnel to leave their vehicles and

    remove the debris by hand in the case of large debris (tires, lumber, freight loss, rock fall) or to sweep traveled lanes,

    shoulders, or intersections in the case of crashes, mechanical failure, or embankment erosion. This exposes agency

    workers to safety risks, especially on high-speed and/or high-volume roadways. Currently, the Colorado Department

    of Transportation (CDOT) has no widely distributed formal guidelines for safely and effectively removing debris

    from the roadway.

    Equipment modifications and innovations have been developed that can remove debris from highways without

    exposing agency workers to moving traffic. Innovative equipment has been introduced to the market which allows

    for high-speed debris removal, such as the Gator Getter®.

    Through a combination of field observations, interviews with CDOT personnel, equipment manufacturers, and other

    state DOTs, the research concluded that the Gator Getter is very effective for collecting tire treads on smooth

    (asphalt) pavements where operating speeds can be maintained above 45 MPH. The effectiveness of the Gator Getter

    decreases when operating speeds drop below 45 MPH and on rougher pavements such as shoulders or tined concrete

    pavements. Both the safety and effectiveness decline when the Gator Getter is used on mixed debris, scattered or

    longitudinal debris, and low visibility conditions. The Gator Getter should not be used on segmented pavements,

    bridge decks, or railroad tracks, and should not be used to collect rocks, concrete fragments, or metal objects.

    Implementation

    The Gator Getter is recommended for use in clearing tire debris from smooth asphalt roadways in locations where

    speeds can be maintained above 45 MPH.

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