New Politics of Clean Air and Transportation

摘要

This report focuses on the Clean Air Act (CAAA) and the State Air QualityImplementation Plan (SIP) and the need for conformity with transportation measures and policies. The Intermodal Surface Transportation Efficiency Act (ISTEA) has reinforced Federal regulations of transportation on behalf of air quality. Preliminary results are presented from an ongoing study of implementation of the transportation provisions of CAAA and the air quality provisions of ISTEA to examine how well states and regions are meeting three persistent institutional and political challenges of earlier versions of CAAA: