Effects and Control of Highway Traffic Noise

by James E. Shahan, Sr. Consultant; Kamperman Assocs., Inc., Downers Grove, IL,
George W. Kamperman, Pres. and Prin. Consultant; Kamperman Assocs., Inc., Downers Grove, IL,

Serial Information: Transportation Engineering Journal of ASCE, 1973, Vol. 99, Issue 2, Pg. 307-322

Document Type: Journal Paper

Abstract: Noise from highway traffic has continually changing characteristics and must, therefore, be described in statistical terms. Useful statistical parameters for describing the noise from freely flowing highway traffic include LFR°S10TDTF and LFR°S50TDTF, the A-weighted sound pressure levels exceeded 10 and 50% of the time, respectively. These parameters take into account the three qualities of time-varying noise required for a subjective evaluation of noise, i.e., magnitude, temporal characteristics, and frequency content (i.e., distribution of sound energy with respect to frequency). This paper offers a broad introduction to highway traffic noise and to the effects of design and vehicle operational parameters on the noise.

Subject Headings: Noise pollution | Parameters (statistics) | Highways and roads | Frequency distribution | Highway and road design | Traffic flow

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