Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<NA141-165>
National Diet Library
U.S. Dept. of Transportation, Federal Highway Administration, Offices of Research & Development, Materials Division1981]<NA141-214>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development, Traffic Systems Division1980.<DK46-15>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<DK48-60>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<NC21-40>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<DK35-71>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<NA141-109>
National Diet Library
[Dept of Transportation], Federal Highway Administration, Offices of Research & Development1978.<DK35-68>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<M236-31>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<NA141-96>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<NC21-44>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<NC21-46>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<NA65-12>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<NA151-51>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<DK48-84>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1978.<NA141-95>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development, Implementation Division1979.<NA141-94>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1977.<NA141-106>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1977.<NA31-42>
National Diet Library
Dept. of Transportation, Federal Highway Administration, Offices of Research & Development1977.<NA141-108>
National Diet Library