Description
Published:Began with 1977.
Item Description:Volumes for <1993-> published: Washington, D.C. : U.S. Govt. Printing Office.
Description based on: Sept. 1978; title from cover.
Classification change to TD 12.1/2: on 1996-06.
Physical Description:volumes : illustrations ; 28 cm.
Issued also to depository libraries in microfiche.
Some issues also available via Internet from the BTS web site.
Latest ed. also available online.
Publication Frequency:Annual
ISSN:0161-8628
0145-2541
0360-8980
Related Items:Formed by the union of: United States. Dept. of Transportation. Office of the Assistant Secretary for Policy, Plans, and International Affairs. Summary of national transportation statistics; and: Energy statistics.