Combined truck/rail transportation service
Subtitle: action needed to enhance effectiveness : report to the Congress
By: by the Comptroller General of the United States
Publisher: General Accounting Office
Published: 1977
Place of publication: Washington
Language: eng
Number of pages: 38
Subjects: Freight cars on truck trailers; Piggyback transportation -- United States
Notes: "CED-78-3."

"B-139052."

Stamped on cover: Dec. 2, 1977