Standard Recommended Practice for
Procedures for Measuring
Highway Noise
AASHTO Designation:R 20-99 (2008)
SCOPE
1 .1.This recommended practice is to provide guidance in acceptable procedures for measuring highway noise levels.
2. GENERAL PROVISIONS
2.1.It is recommended that the following Federal Highway Administration Report be used for field measurement of highway noise levels.
2.1.1.FHWA-PD-96-046, DOT-VNTSC-FHWA-96-5, “Measurement of Highway-Related Noise,” May 1996.1
1This document is available from the National Technical Information Service (NTIS) at NTIS, 5285 Port Royal
Road, Springfield, VA, 22161. Request NTIS Publication No. PB-83-152561.
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