Highway Traffic Noise Analysis and Abatement Guidelines

The Highways Division of the Hawaii State Department of Transportation (HDOT) has been receiving requests from residents and legislators for relief from traffic noise in areas along roadways. The present noise policy addresses these requests with the statement HDOT does not have a program to implement Type II projects. Type II projects are proposed Federal or Federal-Aid highway projects to construct traffic noise abatement measures on existing highways and are not required by Federal law or regulations. Specific policies and procedures are needed for consistency in identifying traffic noise impacts and for the implementation of reasonable and feasible noise mitigation measures for these requests. HDOT's 1997 noise policy has to be reviewed and updated in order to allow for relief from traffic noise only when the prevailing noise conditions are substantially severe. The main goal of the present policy is to implement Title 23 Part 772 of the U.S. Code of Federal Regulations (23 CFR 772) and the noise related requirements of the National Environmental Policy of 1969. It requires that a noise analysis is performed when potentially impacted receivers are present for Type I projects. Type I projects are Federal or Federal-Aid projects for the construction of a highway (1) on a new location, or (2) the physical alteration of an existing highway which significantly changes either the horizontal or vertical alignment, or (3) increases the number of through-traffic lanes. The present policy establishes the reasonable cost for providing noise mitigation to $35,000 or less per residence. Better procedures to determine reasonable and feasible, better procedures to determine locations to obtain noise measurements, definitions for significant changes in either horizontal or vertical alignment and for lane addition are needed.


    • English


    • Status: Active
    • Funding: $296727.00
    • Contract Numbers:



    • Sponsor Organizations:

      Federal Highway Administration

      300 Ala Moana Boulevard
      Honolulu, HI  United States  96850

      Hawaii Department of Transportation

      869 Punchbowl Street
      Honolulu, HI  United States  96813-5097
    • Project Managers:

      Ege, Steven

    • Performing Organizations:

      University of Hawaii, Manoa

      College of Engineering, Department of Civil and Environmental Engineering
      2540 Dole Street, Holmes Hall 383
      Honolulu, HI  United States  96822
    • Principal Investigators:

      Prevedouros, Panos

    • Start Date: 20061001
    • Expected Completion Date: 0
    • Actual Completion Date: 20090930
    • Source Data: RiP Project 12847

    Subject/Index Terms

    Filing Info

    • Accession Number: 01460449
    • Record Type: Research project
    • Source Agency: Hawaii Department of Transportation
    • Contract Numbers: 55145, HWY-L-2006-01
    • Files: RiP, USDOT, STATEDOT
    • Created Date: Jan 3 2013 1:25PM