AASHTO R 20-99 (2017)
- Standard Recommended Practice for Procedures for Measuring Highway Noise
- standard by American Association of State and Highway Transporta
- Category: AASHTO
$12.00
$10.00
This recommended practice is to provide guidance in acceptable procedures for measuring highway noise levels.
PDF
All of our standards document are available in PDF (Portable Document Format), an electronic, downloadable format.You will be able to download the file in your account downloads.
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Printable
At any time, you are permitted to make printed copies for your and your members' reference use.
