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Transportation's Role in Reducing U.S. Greenhouse Gas Emissions ...

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Transportation’s <strong>Role</strong> <strong>in</strong> Reduc<strong>in</strong>g U.S. <strong>Greenhouse</strong> <strong>Gas</strong> <strong>Emissions</strong>: Volume 2<br />

4.6 Infrastructure Construction and Ma<strong>in</strong>tenance .................................................................... 4-83<br />

Construction Materials ................................................................................................................... 4-83<br />

Other Transportation Agency Activities ......................................................................................... 4-86<br />

4.7 References ................................................................................................................................. 4-90<br />

4-2

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