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Category: Air Quality

Transportation Emissions Guidebook

The Center for Clean Air Policy (CCAPs), in partnership with the U.S Environmental Protection Agency and U.S. Department of Transportation, developed the Transportation Emissions Guidebook.

EPA Office of Transportation and Air Quality

The EPA’s Office of Transportation and Air Quality (OTAQ) website provides information related to OTAQ’s programs to regulate air pollution from motor vehicles, engines, and

EPA Air Quality Planning & Standards

The EPA’s Office of Air Quality Planning and Standards (OAQPS) website provides background information about air quality issues and links to the OAQPS’s program areas

FHWA Resource Center, Air Quality Team

The Federal Highway Administration (FHWA) Resource Center’s Air Quality Team provides information related to transportation conformity, air quality planning and emissions analysis, freight air quality,

FHWA Air Quality Information

The Federal Highway Administration (FHWA) Air Quality website provides links to FHWA’s programs and resources related to air quality, including transportation conformity, air toxics, and

Rural Conformity: A Survey of Practice

This study, prepared for the Transportation Research Board’s National Cooperative Highway Research Program, focuses on isolated nonattainment and maintenance rural areas, which are rural areas

EPA Transportation Conformity

This U.S. Environmental Protection Agency (EPA) resource provides information on EPA’s transportation conformity program. Transportation conformity is a requirement of the Clean Air Act that

Additional Resources


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