FHWA Traffic Noise Model Technical Support

The FHWA TNM Technical Support provides online answers to your technical questions about FHWA's Traffic Noise Model.

Documents & References

Colorado Department of Transportation:

• Evaluation of the FHWA Traffic Noise Model (TNM) For Highway Traffic Noise Prediction in the State of Colorado, November 2006 (Report #: CDOT-2005-21)

Hard copies of the following reports are available by contacting the National Technical Information Service.

• Validation of FHWA's Traffic Noise Model (TNM): Phase 1 FHWA-EP-02-031
• Development of National Reference Energy Mean Emission Levels for the FHWA Traffic Noise Model (FHWA TNM), Version 1.0 FHWA-PD-96-008 NTIS Order Number: PB96-147780
• Interrupted Flow Reference Energy Mean Emission Levels for the FHWA Traffic Noise Model DOT-FHWA-PD-97-019 NTIS Order Number: PB97-138226
• Vehicle Noise Source Heights and Sub-Source Spectra FL-ER-63-96 NTIS Order Number: PB97-132328INZ

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