United States. National Transportation Safety Board.
United States. Congress. Senate. Committee on Commerce, Science, and Transportation.
Kenneth M. Mead
Phyllis F. Scheinberg
United States. Federal Railroad Administration.
Amtrak
William E. Thoms
Rodger P. Bradley
John Pitt
Eva J. Hoffman
United States. Congress. House. Committee on Rules.
Harold A. Edmonson
United States. General Accounting Office
Karl R. Zimmermann