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2004 and 2005 Transportation Conformity Rule Amendments Outreach Activities

Session 3: When Do You Do Conformity?

FHWA Transportation Conformity and CMAQ Workshop
Summer 2004


New Nonattainment Areas


When will conformity apply for the new air quality standards?


When is the first conformity determination required?


Does DOT have to make a determination by the end of the grace period?


What requirements apply for other standards during grace period?


Do all determinations during grace period have to address new standard?


When does 3-year conformity clock start for new standards?


When does 3-year conformity clock start for new standards?


Can an 8-hour area rely on a previous 1-hour analysis?


Examples: 3-year clock in 8-hour ozone areas


Examples: 3-year clock in 8-hour ozone areas

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