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A Definition of Asphalt Milling:

Ruston Paving milling machine removing asphalt

Asphalt milling is the controlled removal and recycling of an existing asphalt pavement layer to correct and restore the surface to a specified profile. The process generates recycled asphalt pavement (RAP) for use in place of virgin aggregate in new asphalt material.

 

The Benefits of Asphalt Milling:

A SUSTAINABLE PROCESS:

  • Recycling existing materials and using the RAP in lieu of virgin aggregate in the new asphalt pavement saves natural resources and energy.
  • The process can be repeated over and over again on the same surface.

ENVIRONMENTALLY FRIENDLY:

  • The RAP can be used in place of a portion of the virgin aggregate and asphalt binder, which can lower the energy and greenhouse gas (GHG) footprint of the material production process.
  • RAP is re-used and thus kept out of landfills.

AN IMPROVED SURFACE:

  • Existing curb and gutter reveals are maintained.
  • Surface drainage is improved.
  • Bumps, ruts and other surface irregularities are eliminated.

IMPROVED PROJECT SCHEDULE:

  • Under most circumstances, traffic flow is maintained and able to immediately travel on the milled surface.

COST EFFECTIVE:

  • At a lower cost than reconstruction, maintenance budgets can cover a larger footprint.

 

The Asphalt Milling Process:

Illustration of asphalt milling process