Positive train control
Subtitle: additional authorities could benefit implementation : report to the Chairman, Committee on Commerce, Science, and Transportation, U.S. Senate
Contributors: United States. Congress. Senate. Committee on Commerce, Science, and Transportation
Publisher: United States Government Accountability Office
Published: 2013
Place of publication: [Washington, D.C.]
Language: eng
Number of pages: 42
Subjects: Railroads; Automatic train control; United States
Work titles: Positive train control (2013 August)
Notes: Title from title screen (viewed Dec. 23, 2013).

"August 2013."

"GAO-13-720."

Includes bibliographical references.