Transportation Control Measures: An Information Document for Developing and Implementing Emissions Reductions Programs

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Transportation accounts for 33 percent of U.S. carbon dioxide emissions from the combustion of fossil fuel, and can account for a significant portion of a local government's or household's budget. Additionally, transportation generates air pollution (criteria pollutants and air toxics) that endangers public health. Efforts to improve the efficiency of transportation, reduce personal vehicle use, and encourage alternative forms of transportation help reduce air pollution and GHG emissions, improveenergy security and independence, and save money.

Local governments can improve the efficiency of their own fleets by minimizing fuel consumption and emissions through reducing vehicle use, purchasing clean and efficient vehicles, and increasing their use of more efficient alternative fuels. Local governments can also employ strategies that reduce transportation-related air pollution in their jurisdictions by reducing vehicle use and encouraging more efficient use of transportation facilities. This document describes the process of developing and implementing transportation control measures, using real-world examples.

Transportation control measures (TCMs) are strategies that reduce transportation-related air pollution, GHG emissions, and fuel use by reducing vehicle miles traveled and improving roadway operations.  This document describes how various TCMs can reduce the demand for fuels, decrease GHG emissions and local air pollutants, and reduce infrastructure and travel costs for the community, residents, and local businesses.

Readers of this document should come away with an understanding of the issues and steps involved in developing and implementing TCMs, as well as an awareness of the challenges and opportunities presented.

This document is part of the Local Government Climate and Energy Strategy Series, which provides a comprehensive, straightforward overview of greenhouse gas (GHG) emissions reduction strategies that local governments can employ.  EPA's State and Local Climate and Energy Program developed this particular document on Transportation Control Measures (TCMs) jointly with EPA'S Office of Transportation and Air Quality (OTAQ).

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