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This free publication lists all available AASHTO publications with descriptions, prices for AASHTO members and non-members, ordering information and much, much more!

Item Detail
Standard Method of Test for Determining the Influence of Road Surfaces on Traffic Noise Using the Continuous-Flow Traffic Time-Integrated Method (CTIM), Single User PDF Download

The Continuous-Flow Traffic Time-Integrated Method (CTIM) describes the procedures for measuring the influence of road surfaces on highway traffic noise at a specific site. It provides a quantitative measure of the sound pressure level at locations adjacent to a roadway. Measurements capture the sound from existing traffic for all vehicles on all roadway lanes. Measurements also include propagation effects over the roadway pavement and adjacent terrain to the nearby measurement location.

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.

AASHTO specifications and test methods are only sold on an individual basis as downloadable documents. The complete set of all AASHTO specifications and test methods can be ordered in web-based format

here .

Single user downloadable PDF file. You must become an E-Affiliate to purchase this item. See the PDF Download User Guide for complete details.

System Requirements: Windows operating system, Adobe Reader. You will only be able to open this file while connected to the Internet.

All sales are final. There are no refunds on digital publications.

Item Code: TP099-13-UL
Item Format: Download
Item Pages: 20
Year Published: 2013
Non-Member Price: $97.00
Member Price: $72.00
Availability: In Stock
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Standard Method of Test for Determining the Influence of Road Surfaces on Vehicle Noise Using the Statistical Isolated Pass-By (SIP) Method, Single User PDF Download
Non-Member Price: $97.00
Member Price: $72.00
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