Fleming, G. G., Rapoza, A. S., & Lee, C. S. Y. (1995). Development of national reference energy mean emission levels for the FHWA traffic noise model (FHWA TNM), version 1.0 (Report No. DOT-VNTSC-FHWA-96-2). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/6290
Fleming, Gregg G., Amanda S. Rapoza, and Cynthia S. Y. Lee. Development of national reference energy mean emission levels for the FHWA traffic noise model (FHWA TNM), version 1.0. Report no. DOT-VNTSC-FHWA-96-2. United States. Federal Highway Administration, 1995. https://rosap.ntl.bts.gov/view/dot/6290.
Fleming, Gregg G., et al. Development of national reference energy mean emission levels for the FHWA traffic noise model (FHWA TNM), version 1.0. United States. Federal Highway Administration, 1995, Report no. DOT-VNTSC-FHWA-96-2, ROSA P. https://rosap.ntl.bts.gov/view/dot/6290.
Research and Special Programs Administration, John A. Volpe National Transportation Systems Center (Volpe Center), Acoustics Facility, in support of the Federal Highway Administration (FHWA) and 25 sponsoring state transportation agencies, conducted the National Pooled-Fund Study (NPFS), SP&R 0002-136, titled "Highway Noise Model Data Base Development." This report presents the results of the study, including the measurement, data reduction and analysis procedures used to develop the Data Base. It discusses data for constant-flow and interrupted-flow roadway traffic, and data related to vehicle subsource heights. The Data Base is the foundation around which the acoustic algorithms in the FHWA's Traffic Noise Model (FHWA TNM®), Version 1.0 are being structured. This report also presents the statistical methodology used to establish the Data Base for the FHWA TNM. Sound level regressions are presented as a function of several parameters, including vehicle speed, vehicle type, one-third octave-band frequency, roadway pavement type, roadway grade, traffic-flow condition and vehicle subsource height.
Fleming, G. G., Rapoza, A. S., & Lee, C. S. Y. (1995). Development of national reference energy mean emission levels for the FHWA traffic noise model (FHWA TNM), version 1.0 (Report No. DOT-VNTSC-FHWA-96-2). United States. Federal Highway Administration. https://rosap.ntl.bts.gov/view/dot/6290
Fleming, Gregg G., Amanda S. Rapoza, and Cynthia S. Y. Lee. Development of national reference energy mean emission levels for the FHWA traffic noise model (FHWA TNM), version 1.0. Report no. DOT-VNTSC-FHWA-96-2. United States. Federal Highway Administration, 1995. https://rosap.ntl.bts.gov/view/dot/6290.
Fleming, Gregg G., et al. Development of national reference energy mean emission levels for the FHWA traffic noise model (FHWA TNM), version 1.0. United States. Federal Highway Administration, 1995, Report no. DOT-VNTSC-FHWA-96-2, ROSA P. https://rosap.ntl.bts.gov/view/dot/6290.
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