Air Quality Conformity
The air quality conformity determination establishes the compatibility between the state implementation plan, the regional transportation plan and transportation improvement program. The transportation plan includes the region’s guide for transportation system development over a twenty-year period. The transportation improvement program (TIP) includes the region’s choices for Federal spending on expansion and preservation of the transportation system over a four to five year period. The State Implementation Plan (SIP) includes strategies for attainment and maintenance of the National Ambient Air Quality Standards (NAAQS). The conformity determination is based on a regional emissions analysis that demonstrates compatibility among these three planning documents.
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Air Quality Conformity Technical document supporting FY 2012-2015 Transportation Improvement Program.
- Air Quality Conformity Determination (original conformity determination dated June 23, 2011)
- Air Quality Conformity Determination Amendment (dated December 8, 2011)