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State and Local Transportation Resources

In communities throughout the country, state and local leaders are seeking to balance their air quality, climate, and transportation goals. This Web site provides useful information, tools, and links to resources that identify emission reduction strategies, national policies, regulations, incentive-based programs, funding sources, calculators, and other types of assistance to help states and local areas achieve their air quality and transportation objectives.

  • Transportation Conformity
    Check the status of state implementation plans (SIPs) currently under EPA adequacy review and access rulemakings, policies, reports, and other important information.
  • Policy & Guidance
    Learn how to include control measures that reduce emissions in a state implementation plan (SIP), early action compact agreement (EAC), or transportation conformity determination.
  • Estimating On-Road Greenhouse Gas Emissions
    Find guidance about using EPA's MOVES on-road emissions model to estimate greenhouse gas emissions, and information about reducing greenhouse gas emissions from travel efficiency strategies.
  • Partnerships
    Access information about partnerships that reduce criteria pollutants and greenhouse gases.
  • Laws & Regulations
    Access air quality regulatory documents and rulemakings.
  • Grants & Funding
    Explore sources of funding, both within and outside EPA.
  • Calculators & Modeling Tools
    Access easy-to-use calculators and more complex modeling tools to help estimate emission reductions and benefits.
  • The Clean Diesel State and Local Toolkit
    The State and Local Toolkit is a compilation of examples and procedures designed to help state, regional, and local governments develop programs to reduce diesel emissions.
  • California Waivers
    Link to a comprehensive listing of EPA's Federal Register Notices and general information on EPA's California Waiver program.
  • Related Links
    Link to a comprehensive listing of EPA, other federal agency, state and local, and nongovernmental Web sites and publications. Excellent source for more transportation and air quality information.

This page is maintained by EPA's Office of Transportation and Air Quality (OTAQ).
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