United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine Infrastructure, Safety, and Security
United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Transportation Safety, Infrastructure Security, and Water Quality
United States. Congress. Senate. Committee on Governmental Affairs. Subcommittee on Oversight of Government Management, Restructuring, and the District of Columbia
United States. Congress. House. Committee on Government Reform. Subcommittee on Technology, Information Policy, Intergovernmental Relations, and the Census