Glossary and Acronyms

nated as non-attainment areas for air quality with information, training, and technical assistance.

Gather and disseminate examples of effective transportation planning practices from across the nation. Act as a central clearinghouse for information and contacts within the transportation planning community. Create training programs and support peer-to-peer information exchanges that strengthen staff understanding of policy guidelines and of the technical elements of the planning process. Provide information, training, and technical assistance to states, local and tribal planning organizations, and transportation agencies.

This is a link to a subdirectory.
For more information about the TPCB program, please email

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