Author
United States. Congress. House. Committee on Transportation and Infrastructure
6
United States. Congress. House. Committee on Transportation and Infrastructure,
5
United States. Congress. Senate. Committee on Environment and Public Works
2
United States
1
United States. Congress
1
United States. Congress 2012)
1
United States. Congress. House. Committee on Transportation and Infrastructure. Subcommittee on Highways and Transit (2001-2003)
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, Transit, and Pipelines
1
United States. Congress. House. Committee on Ways and Means,
1
United States. Congress. Office of Technology Assessment
1
United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine
1
United States. Congress. Senate. Committee on Environment and Public Works,
1
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Transportation and Infrastructure,
1