[Code of Federal Regulations]
[Title 23, Volume 1]
[Revised as of April 1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 23CFR772.9]

[Page 393]
 
                           TITLE 23--HIGHWAYS
 
 CHAPTER I--FEDERAL HIGHWAY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 772--PROCEDURES FOR ABATEMENT OF HIGHWAY TRAFFIC NOISE AND CONSTRUCTION NOISE--Table of Contents
 
Sec. 772.9  Analysis of traffic noise impacts and abatement measures.

    (a) The highway agency shall determine and analyze expected traffic 
noise impacts and alternative noise abatement measures to mitigate these 
impacts, giving weight to the benefits and cost of abatement, and to the 
overall social, economic and environmental effects.
    (b) The traffic noise analysis shall include the following for each 
alternative under detailed study:
    (1) Identification of existing activities, developed lands, and 
undeveloped lands for which development is planned, designed and 
programmed, which may be affected by noise from the highway;
    (2) Prediction of traffic noise levels;
    (3) Determination of existing noise levels;
    (4) Determination of traffic noise impacts; and
    (5) Examination and evaluation of alternative noise abatement 
measures for reducing or eliminating the noise impacts.
    (c) Highway agencies proposing to use Federal-aid highway funds for 
Type II projects shall perform a noise analysis of sufficient scope to 
provide information needed to make the determination required by 
Sec. 772.13(a) of this chapter.