AASHTO TP 99-13 (2015)
- 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, 2013
- Publisher: AASHTO
$34.00$68.00
CTIM is to be applied on roadways where measuring single vehicle pass-by events would be difficult due to continuously flowing, relatively dense traffic (sound levels from single vehicles cannot be properly captured due to contamination from sound from other vehicles).
This document is intended for use by noise professionals. Competency with acoustical measurement, modeling, and analysis techniques is assumed.
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