[Code of Federal Regulations]

[Title 40, Volume 24]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 40CFR202.20]



[Page 83-84]

 

                   TITLE 40--PROTECTION OF ENVIRONMENT

 

         CHAPTER I--ENVIRONMENTAL PROTECTION AGENCY (CONTINUED)

 

PART 202_MOTOR CARRIERS ENGAGED IN INTERSTATE COMMERCE--Table of Contents

 

         Subpart B_Interstate Motor Carrier Operations Standards

 

Sec.  202.20  Standards for highway operations.





    (a) No motor carrier subject to these regulations shall operate any 

motor vehicle of a type to which this regulation



[[Page 84]]



is applicable which at any time or under any condition of highway grade, 

load, acceleration or deceleration generates a sound level in excess of 

86dB(A) measured on an open site with fast meter response at 50 feet 

from the centerline of lane of travel on highways with speed limits of 

35 MPH or less; or 90 dB(A) measured on an open site with fast meter 

response at 50 feet from the centerline of lane of travel on highways 

with speed limits of more than 35 MPH.

    (b) No motor carrier subject to these regulations shall operate any 

motor vehicle of a type to which this regulation is applicable which at 

any time or under any condition of highway grade, load, acceleration or 

deceleration generates a sound level in excess of 83 dB(A) measured on 

an open site with fast meter response at 50 feet from the centerline of 

lane of travel on highways with speed limits of 35 MPH or less; or 87 

dB(A) measured on an open site with fast meter response at 50 feet from 

the centerline of lane of travel on highways with speed limits of more 

than 35 MPH.



[39 FR 38215, Oct. 29, 1974, as amended at 51 FR 852, Jan. 8, 1986]