Special investigation report
Subtitle: recent accident history of hot box detector data management
By: National Transportation Safety Board.
Publisher: The Board; National Technical Information Service, distributor]
Published: 1981
Place of publication: Washington, D.C; [Springfield, Va
Language: eng
Number of pages: 16
Subjects: Railroad accidents -- United States.; Railroads -- United States -- Safety measures.; Railroads -- United States -- Cars -- Bearings.
Other titles: Recent accident history of hot box detector data management.
Notes: Cover title.

"NTSB-SIR-81-1."

Includes bibliographical references.