Intelligent Vehicle-highway Systems Program and Commercial Motor Vehicles: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Third Congress, First Session, October 19, 1993

Air Bag Safety: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fourth Congress, Second Session, March 7, 1996

Air Bag Safety: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifth Congress, First Session, January 9, 1997

ISTEA Reauthorization/truck Safety: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifth Congress, First Session, April 24, 1997

Safeguarding Our Future: Building a Nationwide Network for First Responders : Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Twelfth Congress, First Session, February 16, 2011

Oversight of the Transportation Security Administration: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eleventh Congress, Second Session, November 17, 2010

Spectrum Use and Management: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fourth Congress, Second Session, April 18, 1996

Spectrum Management: Improving the Management of Government and Commercial Spectrum Domestically and Internationally : Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, June 11, 2002

The Clean Vessel Act of 1991: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Second Congress, Second Session, February 27, 1992

Effects of Changing Federal Policies on Regional Economic Growth: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Third Congress, First Session, April 16, 1993

Oversight of Federal Efforts for Rail and Surface Transportation Security: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Tenth Congress, First Session, January 18, 2007

Nomination of Roberta Lee Gross to be Inspector General of the National Aeronautics and Space Administration: Hearing of the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fourth Congress, First Session, June 13, 1995

Public Policy Options for Encouraging Alternative Automobile Fuel Technologies: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Ninth Congress, First Session, November 15, 2005, Volume 4

Advanced Manufacturing and Biotechnology: Field Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Eighth Congress, First Session, April 14, 2003

International Fisheries: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Third Congress, Second Session, July 21, 1994

Nomination of Arnold G. Holz to be Chief Financial Officer of NASA: Hearing Before the Committee on Commerce, Science, and Tranpsortation, United States Senate, One Hundred Third Congress, Second Session, April 13, 1994

Firestone Tire Recall: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Sixth Congress, Second Session, September 12, 2000

Nomination of Robert W. Cobb to be Inspector General of the National Aeronautics and Space Administration: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, March 13, 2002

Universal Service Schools and Libraries Program: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Fifth Congress, Second Session, July 16, 1998

H.R. 1542, Internet Freedom and Broadband Deployment Act of 2001: Hearing Before the Committee on Commerce, Science, and Transportation, United States Senate, One Hundred Seventh Congress, Second Session, March 20, 2002.., Volume 4