Estimation of Travel Related Inputs to Air Quality Models

by Terry L. Miller, Univ of Tennessee, Knoxville, United States,
Arun Chatterjee, Univ of Tennessee, Knoxville, United States,
Jerry Everett, Univ of Tennessee, Knoxville, United States,
Cindy McIlvaine, Univ of Tennessee, Knoxville, United States,



Document Type: Proceeding Paper

Part of: Transportation Planning and Air Quality

Abstract: A major contribution to air pollution is vehicular travel, i.e., mobile sources. The estimation of pollutant emissions due to vehicular travel is a major task of air quality modeling. The software MOBILE4 developed by the Environmental Protection Agency requires a variety of information related to vehicular travel in order to estimate emission factors. The amount of travel as measured by vehicle-miles of travel (VMT) also is to be estimated. The paper examines the availability of data for these different input parameters, and describes the procedures used for a case study in Tennessee.

Subject Headings: Air quality | Travel modes | Vehicle impacts | Emissions | Vehicles | Traffic surveillance | Computer software | Case studies | North America | Tennessee | United States

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