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Research

A variety of research has been conducted by FHWA, EPA, and others related to all aspects of transportation conformity. Final reports for some of this research are provided below.

FHWA research is funded through the Surface Transportation Environment and Planning Cooperative Research Program (STEP), which was established by SAFETEA-LU. STEP is the sole source of SAFETEA-LU funds available to conduct all FHWA research on planning and environmental issues.

General Air Quality Research

Links to FHWA's Air Quality Research Pages

Updated: 01/23/2012
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