|The Bureau of Design and Environment shall publish and maintain a
Highway Traffic Noise Assessment Manual which shall be used as a basis
for preparing noise analyses required for Environmental Impact
Statements and other environmental documents and studies for projects on
the State Highway System.
This policy is issued in order to ensure that studies and reports on
traffic noise prepared by or for the Department are consistent with
existing laws and regulations and are technically accurate and
- Describes techniques and procedures for analyzing and reporting
traffic noise impacts;
- Describes various barriers and other measures which can be
incorporated in project designs to mitigate traffic noise impacts;
- Notes references and examples to aid in the study of traffic
noise and includes guidelines for the presentation of study results
in environmental documents.
View a copy of the Highway Traffic Noise