About Asphalt Facts

Get the FACTS on asphalt pavement. Asphalt is one of the indispensable materials of life in America. Want proof? Think about the fact that 93 percent of the paved roads in America are surfaced with asphalt. Learn about asphalt pavement and how it can benefit you.

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For more information about the Asphalt Pavement Alliance (APA) Visit www.DriveAsphalt.org.

Perpetual Pavements

Engineering Facts

  • #01
    Perpetual asphalt pavements have actually been built in the U.S. for generations – even before engineers articulated the concept. Read More
  • #02
    A Perpetual Pavement is an asphalt pavement designed and built to last indefinitely without any structural reconstruction. Read More
  • #05
    Pavement engineers have been producing long-lasting asphalt pavements since the 1960s. Read More
  • #06
    Perpetual Pavements are built so that only the top layer needs routine maintenance. Read More
  • #07
    For pavement designers, the APA offers two versions of its software for the design and analysis of Perpetual Pavements. Both versions of the software are available as free downloads. Read More
  • #10
    The Asphalt Pavement Alliance has bestowed its national Perpetual Pavement Award on more than 80 pavements – all of them built before 1976, and many more than 50 years old. Read More
  • #15
    Only asphalt can be the Perpetual Pavement, and Perpetual Pavement is the only one that lasts indefinitely. Read More
  • #21
    Even pavements that were not designed to be perpetual can become perpetual pavements - one inch at a time. Read More
  • #22
    The materials used in Perpetual Pavements are infinitely reclaimable, recyclable, reusable, and renewable. Read More
  • #26
    Perpetual asphalt pavements can actually be built thinner than traditional pavements. Read More
  • #27
    Secrets of Perpetual Pavement revealed! Read More
  • #32
    Perpetual pavements have low environmental impact because they reduce the amount of natural resources needed over the pavement’s life. Read More
  • #41
    Wisconsin researchers installed traffic and environment sensors and a real-time wireless data feed on a portion of Interstate 43 that features Perpetual Pavement. Read More
  • #53
    Using advanced technology, Perpetual Pavements are built in layers. Read More
  • #71
    Constructing a Perpetual Pavement today means that future generations will probably never need to replace the pavement structure. Read More
  • #78
    When a Perpetual Pavement needs rehabilitation, road crews mill off the top layer for recycling, then put a new surface on the road. Read More
  • #87
    Maintaining a Perpetual Pavement is like putting a new roof on a house. Read More
  • #91
    A paving demonstration in Iowa showed how low-volume local roadways can be cost-effectively turned into Perpetual Pavements. Read More