Railroad bridges and tunnels
Subtitle: federal role in providing safety oversight and freight infrastructure investment could be better targeted : report to congressional requesters
By: United States Government Accountability Office.
Contributors: United States. General Accounting Office.
Publisher: U.S. General Accounting Office
Published: 2007
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 65
Subjects: Railroad bridges -- United States -- Safety measures.; Railroad tunnels -- United States -- Safety measures.
Notes: "August 2007."

"GAO-07-770"

Cover title.

Includes bibliographical references.