Table II Maximum Permissible Sound Levels
from
Motor Vehicles and Motorcycles
| |||
---|---|---|---|
Sound Level, in dBA, at 50 Feet (15 Meters)
From Center Line of Vehicle Travel1
| |||
Vehicle Class
|
Speed Limit 35 mph or Less
|
Speed Limit Over 35 mph
|
Stationary Run-Up
|
Motor carrier vehicle engaged in interstate
commerce of GVWR or GCWR of 10,000 pounds or more
|
86
|
90
|
88
|
All other motor vehicles of GVWR or GCWR of
10,000 pounds or more
|
86
|
90
|
--
|
Any motorcycle
|
82
|
86
|
--
|
Any other motor vehicle or any combination of
vehicles towed by any motor vehicle
|
76
|
82
|
--
|
Sound Level on Fast Setting, in dBA, at
15 Feet From
Edge of Lane of Vehicle Travel
| |||
---|---|---|---|
Vehicle Class
|
Speed Limit 35 mph or Less
| ||
Any motor vehicle or motorcycle with a GVWR
less than 10,000 pounds
|
80
|
1 NOTES: Measured
according to Department of Transportation, Bureau of Motor Carrier
Safety Regulations for enforcement of Motor Carrier Noise Emission
Standards, Title 49, Code of Federal Regulations, Chapter II, Part
325.
|
Table III
Maximum Permissible Sound Levels for
Recreational Motorized Vehicles Operated
Off Public Rights-of-Way
| ||
---|---|---|
Vehicle Type
|
Sound Level
(in dBA)
| |
Motorcycle
| ||
Unit manufactured before 1975
|
86
| |
Unit manufactured after 1975
|
84
| |
Any other vehicle
| ||
Unit manufactured before 1975
|
84
| |
Unit manufactured after 1975
|
80
|