Author
Library of Congress. Congressional Research Service,
47
United States. Congress. Senate. Committee on Environment and Public Works,
42
United States. Congress. House. Committee on Transportation and Infrastructure
39
United States. Congress. Senate. Committee on Environment and Public Works
20
Kirk, Robert S.,
18
Mallett, William,
18
United States,
18
United States. Congress. House. Committee on Transportation and Infrastructure,
17
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways and Transit (2007- ),
14
United States. Congress. Senate. Committee on Commerce, Science, and Transportation
14
United States. Congress. Senate. Committee on Commerce, Science, and Transportation,
14
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways and Transit (2001-2003)
12
United States. Federal Highway Administration
12
United States. Congress. Senate. Committee on Appropriations. Subcommittee on Transportation and Housing and Urban Development, and Related Agencies,
11
United States
10
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways, Transit, and Pipelines
10
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials,
10
United States. Congressional Budget Office
10
Peterman, David Randall,
9
United States. Congress. House. Committee on Appropriations. Subcommittee on Transportation, Housing and Urban Development, and Related Agencies,
9
United States. Congress. Senate. Committee on Banking, Housing, and Urban Affairs
9
United States. Congress
8
United States. Congress. Senate. Committee on Banking, Housing, and Urban Affairs,
7
United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine Infrastructure, Safety, and Security,
7
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Transportation and Infrastructure
7
United States. Congress. House. Committee on Rules
6
United States. Congressional Budget Office,
6
McCarty, Maggie,
5
United States. Congress. House. Committee on Rules,
5
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation
5
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads
5
United States. Congress. House. Committee on Ways and Means
5
United States. Congress. Senate. Committee on Banking, Housing, and Urban Affairs. Subcommittee on Housing, Transportation, and Community Development
5
United States. Congress. Senate. Committee on Banking, Housing, and Urban Affairs. Subcommittee on Housing, Transportation, and Community Development,
5
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Transportation and Infrastructure,
5
United States. Government Accountability Office,
5
Frittelli, John,
4
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways and Transit (2007- )
4
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials
4
United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation Operations, Safety, and Security,
4
United States. Congress. Senate. Committee on Finance,
4
United States. Congress. Senate. Committee on Indian Affairs (1993- )
4
Campbell, Sheila
3
Library of Congress. Congressional Research Service
3
United States. Congress 2012)
3
United States. Congress. House. Committee on Energy and Commerce. Subcommittee on Transportation and Hazardous Materials
3
United States. Congress. House. Committee on Science
3
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways and Transit,
3
United States. Congress. House. Committee on Ways and Means,
3
United States. Congress. Senate. Committee on Appropriations. Subcommittee on Transportation and Related Agencies
3
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