Samenvatting
In the 30 by 50 mile core area of Los Angeles, there are 350 miles of freeway which carry a million commuters daily and a high level of truck traffic flow. In general, freeway traffic causes almost continuous noise levels of 90 to 70 dB (A) in the five block wide strips on either side of the freeways. This study analyzes the sources of this noise and its effects of human activity.