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U.S. Department of Transportation U.S. Department of Transportation Icon United States Department of Transportation United States Department of Transportation
OFFICE OF RESEARCH, DEVELOPMENT, AND TECHNOLOGY AT THE TURNER-FAIRBANK HIGHWAY RESEARCH CENTER

Field Evaluation of Reflected Noise from a Single Noise Barrier

Project Information

Project ID:
FHWA-PROJ-16-0064
Project Abstract:

State transportation departments have experienced complaints from residents, on the opposite side of a highway from a noise barrier, that the noise barrier has increased noise levels due to reflected noise. The large number and consistent message of the public complaints supports the belief that the cause and nature of the perceived and/or actual increase in noise levels from barrier reflections are not fully understood. Research is needed to improve understanding about the connection between perceived noise increases. public levels of annoyance.

The goals of the project were to determine the noise level magnitude and frequency spectrum on the opposite of a highway from a single reflective noise barrier; to compare the difference in overall noise level and frequency distribution with and without a single reflective barrier present; to compare cases with both reflective and absorptive barriers; to use the quantitative analyses to determine if the degree/magnitude and/or composition of the noise level actually changes consistent with perception criteria; to help state DOT's gain a better understanding of when it may be necessary to use absorptive surfaces; and to produce insight and data to ultimately be incorporated into future versions of the Federal Highway Administration's traffic noise model.

Project Status:
Completed
Project Funding Amount (Contract Award Amount):
$50,000.00
Start Date:
End Date:
Public Access Plan:
Yes
Grant/Contract ID:
  • DTFH6 l-l 2-D-00033
FHWA Program Area:
  • Planning, Environment, and Realty
FHWA AMRP Program:
  • Modeling and Analysis Tools
FHWA Activity:
  • Analysis, Modeling, and Simulation
Project Outputs:

Report with data including literature review, field measurement, and modeling results.

Project Outcomes/Impact:

Improve State DOT decision-making, public involvement information, and the FHWA Traffic Noise Model (TNM).

Contact Information

First Name:
Jean
Last Name:
Landolt
Phone Number:
(202) 493-3146
Email Address:
Team:
Air Quality and Transportation Conformity Team
Office:
Office of Natural Environment
Office Code:
HEPN-10

Management Organizations

Sponsor Organization

Organization Role:
Co-Sponsor
Organization:
Federal Highway Administration: Office of Planning, Environment, and Realty - Office of Natural Environment
Contact Role:
Co-Sponsor

Partners and Other Sponsor/Managing/Performing Organizations

Organization Role:
Co-Sponsor
Organization:
National Academy of Sciences
Contact Role:
Contract Office Representative