Develop GIS-Integrated Traffic Models for MOBILE6-Based Air Quality Conformity and TCM Analysis 

(PI: Chandra Bhat)

Mobile source emissions constitute a major fraction of total atmospheric emissions. Consequently, Clean Air Act legislations have mandated that air quality Implementation Plans of states with non-attainment areas establish emission budgets from mobile-sources in the context of achieving reasonable further progress (RFP) toward attainment and actual attainment. Transportation conformity determinations are required periodically to assess the potential impact of transportation control measures and to demonstrate that mobile source emissions do not exceed the State Implementation Plan (SIP) emission budgets. Such conformity determinations require accurate and reliable traffic input data to the mobile source emissions forecasting model. The proposed project will develop models for traffic input data to the MOBILE6 emissions model, and integrate the models within a Geographic Information System GIS) architecture. The project will also demonstrate the application of the comprehensive GIS-based modeling platform to an actual metropolitan region and assess the performance of the platform.