Skip to content U.S. Department of Transportation/Federal Highway AdministrationU.S. Department of Transportation/Federal Highway Administration

Office of Planning, Environment, & Realty (HEP)
PlanningEnvironmentReal Estate

HEP Events Guidance Publications Awards Contacts

Traffic Noise Model: Frequently Asked Questions FAQs

This following are frequently asked questions (FAQs) about the FHWA TNM information. The FAQs apply to all versions of TNM, unless specified. This information is current as of April 2004.

To view PDF files, you need the Acrobat® Reader®.

Continue on to Contents

Updated: 07/15/2011
HEP Home Planning Environment Real Estate
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000