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Air Quality

  • Apr 18

    Transportation Conformity: A Basic Guide for State & Local Officials

    The Federal Highway Administration updated the document Transportation Conformity: A Basic Guide for State & Local Officials (PDF) in February 2017. The guide explain (...)

  • Apr 22

    FHWA Releases Last Proposed Rule on Performance Management

    Today, the U.S. Department of Transportation’s Federal Highway Administration (FHWA) published the third and final Notice of Proposed Rulemaking (NPRM) on performance m (...)

  • Nov 22

    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 E (...)

  • Nov 22

    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, engin (...)

  • Nov 22

    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 (...)

  • Nov 22

    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 emissio (...)

  • Nov 22

    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 conformit (...)

  • Nov 22

    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 area (...)

  • Nov 22

    Sample Methodologies for Regional Emissions Analysis in Small Urban and Rural Areas

    Many small urban and isolated rural nonattainment and maintenance areas face challenges in conducting the regional emissions analysis that is the key analytic component o (...)

  • Nov 22

    Transportation/Air Quality Issues in Rural Areas

    The Federal Highway Administration (FHWA) released this report in 2003. The study’s intent was to increase understanding of air quality issues in rural areas, with a fo (...)