Format not distributed to depository libraries, <1990->
Plný text je přístupný pouze z počítačů Ostravské univerzity
Issue for 1994 called also: 50th anniversary ed.
Volumes for 1945-1947 issued by: Public Roads Administration;; 1948-1968 by: Bureau of Public Roads; 1969- by: Federal Highway Administration; <1992>-1997 by: Office of Highway Information Management, Federal Highway Administration; 1998-<2002> by: Office of Highway Policy Information, Federal Highway Administration.
Data summarized in the decennial publication: Highway statistics (Washington, D.C.). Summary to ...