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AASHTO T 389-20 describes a procedure for measuring the influence of road surfaces on highway traffic noise. The Statistical Isolated Pass-By (SIP) Method provides a quantitative measure of the sound pressure level at locations adjacent to a roadway. The SIP method allows for the comparison of vehicle noise on roadways of varying surfaces and across studies by comparing measured sound levels to a reference noise curve.
Product Details
- Published:
- 2020
- Number of Pages:
- 24
- File Size:
- 1 file , 3.4 MB
- Product Code(s):
- T389-20-UL, T389-20-UL, T389-20-UL
