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The users manual presents a detailed description of the TSC highway noise prediction computer program. The evolution of the TSC program is described to illustrate salient differences between successive versions of the computer code. The version presented in this manual is called the MOD-04 version. The manual relates the analytical basis to the coded statements to indicate how the prediction procedure utlizes input data. The manual describes the features of the MOD-04 version and present guidelines for formulating problems. Detailed description of input data requirements and example problems are presented to illustrate usage of the computer program. The appendicies to the users manual describe the theoretical basis, computer system details, and subprogram descriptions of the MOD-04 version of the TSC highway noise prediction code.
Modifications to the TSC highway traffic noise prediction code are described that include speed-dependent noise emission levels for all vehicle types considered by the code and the development of a users manual for the prediction code. Comparisons between highway noise predictions using the modified version and previous versions of the prediction code are presented. The evolution of the TSC highway traffic noise prediction code is described to indicate salient differences between the several versions in existence.
This report describes modifications to the TSC MOD-04 highway traffic noise prediction program to extend the scope of problem formulation. The FHWA Level 2 Highway Traffic Noise Prediction Model features: Revised Vehicle Reference Noise Emission Levels; Specification of Site-Specific (Excess) Attenuation; English/Metric and Metric/English Conversion of engineering units for both input and output data; Common Input Data Format with TSC MOD-04 model, and User Options to Improve Operating Efficiency. The report describes problem formulation, input data requirements, output error messages, examples of usage, and computer program documentation.