Phoenix International Raceway


Project Highlights:

  • Repaving of track and pit road
  • New track design elements for higher speeds
  • Project completed in one season (summer)

What We Did


After 20 years, Phoenix International Raceway needed repaving, but its leadership team also decided to rev up the track's potential for excitement. In addition to repaving, the front stretch was widened from 52 to 62 feet, pit road was reconfigured, and the turn radius of one dogleg tightened from 800 feet to 500 feet. To promote side-by-side racing and increase track speeds, the new design called for the construction of variable degree banking of from 4 to 11 degrees.

Overall, the project included the removal of 684,000 square feet of asphalt, followed by the installation of a new surface that included 70,000 cubic yards of imported ?ll and 24,000 tons of new asphalt. More impressive, Ajax completed the work during the summer, when Phoenix’s heat reached as high as 120 F.

High-Performance Paving

When millions of dollars are riding on the line, racing bodies and automotive manufacturers alike turn to Ajax Paving. Thanks to our highly experienced crews and the most advanced equipment in the industry, we can meet specifications for consistency to fractions of an inch across miles of track. Ajax Paving is one of two road construction companies in the nation to make the cut by NASCAR®. Their high-power race cars can go over 200 mph, so track surface quality and precision are essential for victory and driver safety. Fans can catch our work on race days at Michigan International Speedway, Phoenix International Raceway, and Watkins Glen International. Additionally, Ajax is always on the shortlist for precision paving projects for automakers. Ford Motor Company, General Motors Corporation, Fiat Chrysler Automotive, and Toyota Motor Corporation have all trusted Ajax to help them build proving grounds to test their next generation of cars, trucks, and SUVs.
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