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Types of Treatment

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public works worker filling roadway with crackseal with red truck in background

The type of preservation treatment applied is dependent on many factors including roadway condition, location, and age. The Pavement Condition Index, or PCI, assigns a rating to each roadway based on those factors. PCIs range from 0 to 100, with higher PCI values indicative of better pavement conditions.

Typically applied treatments 
  • Crack Seals - Filling cracks in the roadway with hot sealant to protect the pavement from water, which can enter the cracks and further damage the road.
  • Slurry Seals - Protecting existing pavement with a mixture of fine crushed rock and liquid asphalt cement applied over the entire roadway surface.
  • Overlays - Repaving the top layer of the roadway.
  • Asphalt or Concrete Replacement - Completing small asphalt or concrete patch repairs.

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