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AASHTO TP 98
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AASHTO TP 98 2013 Edition, January 1, 2013 Standard Method of Test for Determining the Influence of Road Surfaces on Vehicle Noise Using the Statistical Isolated Pass-By (SIP) Method
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Description / Abstract:
This test method 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.
Measurements capture the sound pressure level from isolated vehicles in existing traffic. The SIP method is to be applied on roadways where measuring sound levels from single-vehicle pass-by events is possible without contamination from sound from other vehicles.
This standard is intended for use by acoustic professionals. Competency with acoustical measurement and analysis techniques is assumed.
This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
Measurements capture the sound pressure level from isolated vehicles in existing traffic. The SIP method is to be applied on roadways where measuring sound levels from single-vehicle pass-by events is possible without contamination from sound from other vehicles.
This standard is intended for use by acoustic professionals. Competency with acoustical measurement and analysis techniques is assumed.
This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety concerns associated with its use. It is the responsibility of the user of this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.