Overview of long-term, multiple pavement type, tire/road noise study

Overview of long-term, multiple pavement type, tire/road noise study

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  • Alternative Title:
    NOISE-CON 2001
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  • NTL Classification:
    AGR-IMPACTS-Environment ; NTL-HIGHWAY/ROAD TRANSPORTATION-Pavement Management and Performance ; NTL-ENERGY AND ENVIRONMENT-Environment Impacts ;
  • Abstract:
    The Volpe Center Acoustics Facility, in support of the California Department of Transportation (Caltrans), has begun a five-year study to assess several types of pavement for the purpose of noise abatement. On Highway 138 in Southern California (a desert area about 20 miles west of Lancaster), a 6.4-kilometer (4-mi) stretch of roadway has been chosen as the site for pavement overlays. A preliminary measurement program determined that the existing pavement on this roadway was highly irregular and in need of repair. As such, this stretch of Highway 138 will first be treated with a leveling course in order to have uniform base pavement, after which 4 or 5 different types of pavement will be overlaid in long sections, the shortest being 0.4 km (0.25 mi). The leveling course will be dense-graded asphalt concrete (DGAC), and the pavement types for the overlays are expected to include open-graded asphalt concrete (OGAC) with varying depths, rubberized asphalt concrete (RAC), and bonded wearing course (BWC). The overlay sections are referred to as the test sections. Two sections of the uniform base will remain untouched without any overlays; these sections are referred to as the reference sections.
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