AASHTO R 20-1999
Standard Recommended Practice for Procedures for Measuring Highway Noise

Standard No.

AASHTO R 20-1999

Release Date

1999

Published By

The American Road & Transportation Builders Association

Latest

AASHTO R 20-1999

Scope

This recommended practice is to provide guidance in acceptable procedures for measuring highway noise levels.

AASHTO R 20-1999 history

• 1999 AASHTO R 20-1999 Standard Recommended Practice for Procedures for Measuring Highway Noise