Transportation noise is usually the dominant noise source throughout an urban area. Detailed procedures have been developed to predict the noise levels that occur for these sources. For highways and airports very defined models have been developed and promulgated by Federal agencies for use by State DOTs during environmental analysis required for project planning. The same cannot be said about noise from railroads or rail sources. This research will result in a user-friendly model that could be applied to evaluate rail noise from freight, light passenger, AMTRAC, and high-speed rail operations. It will allow agencies such as FDOT, FRA, and FTA to more accurately model the impacts from rail operations than ever before. The very simple scenarios that can be modeled now will be replaced with a much more robust model. This will lead to more accurate predictions rather than the large overestimation that often occurs now. In turn, projects will not be affected by overly conservative estimations.
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