Standard Method of Test for Determining the Influence of Road Surfaces on Traffic Noise Using the Continuous Flow Traffic Time-Integrated Method (CTIM)
standard by American Association of State and Highway Transportation Officials, 2012

Transportation Reboot: Unlocking Gridlock
standard by American Association of State and Highway Transportation Officials, 08/01/2010

Standard Method of Test for Determining the Influence of Road Surfaces on Vehicle Noise Using the Statistical Isolated Pass-By (SIP) Method
standard by American Association of State and Highway Transportation Officials, 2018