Transit and Air Quality Improvement Act

Transit and Air Quality Improvement Act - Amends the Clean Air Act to treat mass transit projects as conforming to State implementation plans for national air quality standards and provides that no determination of conformity shall be required with respect to any such project. Defines a "mass transit project" as a project for: (1) fixed guideway modernization; (2) new fixed guideway systems and extensions to such systems; and (3) replacement, rehabilitation, and purchase of buses and related equipment and construction of bus facilities.