Author
United States. Congress. House. Committee on Rules,
5
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials
3
Library of Congress. Congressional Research Service,
2
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways and Transit (2001-2003)
2
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Railroads, Pipelines, and Hazardous Materials,
2
United States. Congress. Senate. Committee on Banking, Housing, and Urban Affairs,
2
Goldman, Ben,
1
Herr, Phillip
1
Kirk, Robert S.,
1
United States. Congress. House. Committee on Transportation and Infrastructure
1
United States. Congress. House. Committee on Transportation and Infrastructure,
1
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Aviation,
1
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways and Transit (2007- ),
1
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways and Transit,
1
United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation Operations, Safety, and Security,
1
United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Aviation Safety, Operations, and Innovation,
1
United States. Congress. Senate. Committee on Environment and Public Works,
1
United States. Congress. Senate. Special Committee on Aging,
1
United States. Government Accountability Office
1