National transportation
Subtitle: trends & choices (to the year 2000)
By: issued by the Secretary of Transportation.
Publisher: U.S. Dept. of Transportation] : for sale by the Supt. of Docs., U.S. Govt. Print. Off.
Published: 1977
Place of publication: [Washington
Language: eng
Number of pages: 412
Subjects: Transportation -- United States.
Notes: Errata slip inserted.