Transportation facts & trends
Subtitle: a statistical analysis showing the importance of transportation to the United States, as well as transportation trends--including both for-hire and private carriage.
By: Prepared by the research staff
Edition: 2d ed
Published: 1965
Place of publication: Washington
Language: eng
Number of pages: 24
Subjects: Transportation -- United States
Notes: "Source "Data": p. 1-19 (3d group)