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Course Description

Highway Traffic Noise

PROGRAM AREA: Environment
Instructor-led Training (ILT)Instructor-led Training (ILT)
Calendar Year
Host Price
3 Days
1.8 Units
$1000 Per Participant


CLASS SIZE: Minimum: 20 Maximum: 30

NOTES:This course was recently updated to reflect current FHWA noise regulations and policies: Title 23 CFR Part 772: Procedures for Abatement of Highway Traffic Noise and Construction Noise, and related State highway agency noise policies. We recommend that participants registering for this course take the NHI 142063 Highway Traffic Noise: Basic Acoustics in advance of their session. The Interactive Sound Information System (ISIS) demonstrations that are part of this training are deliberately very loud. So, we encourage Session Hosts to secure a training room accordingly.


This course provides an introductory- yet comprehensive- overview of highway traffic noise that will help educate engineers, environmental specialists, designers, planners, and consultants about traffic noise and ways to reduce the impacts. This course is designed not just for those performing noise analyses, but also for those responsible for the review and approval of noise studies and incorporating the results of these studies into design and environmental documents. Among topics covered are the basic principles of acoustics, how to determine when a noise analysis is required, typical strategies to mitigate noise in highway projects, noise study requirements and documentation, noise measurement, construction noise, and public involvement.

Participants will also learn about noise-compatible planning, which encourages local governments and developers to avoid noise-sensitive land uses adjacent to highways. And the course includes an overview of the FHWA Traffic Noise Model (FHWA TNM)--developed to predict noise levels and evaluate noise abatement measures.

Additionally, the NHI commissioned a customized version of the Interactive Sound Information System (ISIS) as part of the curriculum design for this course. ISIS is a noise simulation software program that employs high-quality digital recordings, precise sound control, and graphic imagery to present basic acoustical concepts and sounds from various traffic loads. ISIS also demonstrates the sound level reductions provided by various noise barrier configurations.


Upon completion of the course, participants will be able to:

  • Explain the basic principles of acoustics
  • Describe all necessary documentation to fulfill FHWA noise requirements, as codified in 23 CFR 772
  • Determine when a noise study is required
  • Explain applicable Federal noise abatement regulations and policies


FHWA staff; State department of transportation environmental specialists, designers, planners or engineers; city or county environmental engineers, coordinators or specialists; consultants.

If you have questions about this NHI training, please contact NHI at or 877.558.6873.


Start Date: 6/21/2016
End Date: 6/23/2016
Local Coordinator: Kenneth Polcak (410) 545-8601
2 Public Seats
$1000 Per Participant
0 FHWA Seats

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Host this Course

The National Highway Institute (NHI) has been accredited as an Accredited Provider by the International Association for Continuing Education and Training (IACET). In obtaining this accreditation, NHI has demonstrated that it complies with the ANSI/IACET Standard which is recognized internationally as a standard of good practice. As a result of their Accredited Provider status, NHI is authorized to offer IACET CEUs for its programs that qualify under the ANSI/IACET Standard.


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