Cover title."CED-77-31."Publication date stamped on cover.Mode of access: Internet
Cover title."CED-78-125."Publication date stamped on cover.Mode of access: Internet
Publication date stamped on cover."CED-78-12."Cover title.Mode of access: Internet
"Publication no. FHWA-PL-99-015.""August 1999.""U.S. Department of Transportation, Federal Highway A...
Publication date stamped on cover."B-164497(3).""CED-76-156."Cover title.Mode of access: Internet
Publication date stamped on cover."ID-75-73."Cover title.Mode of access: Internet
"B-164497(1)."Publication date stamped on cover.Cover title.Mode of access: Internet
Publication date stamped on t.p."B-164497(5).""CED-76-161."Cover title.Mode of access: Internet
Publication date stamped on cover."B-153449."Cover title.Mode of access: Internet
Publication date stamped on cover."B-164031 (1)."Cover title.Mode of access: Internet
"CED-78-159."Cover title.Issued Oct. 10, 1978."B-164497."Mode of access: Internet
Publication date stamped on cover."MWD-76-4."Cover title.Mode of access: Internet
Cover title.Publication date stamped on cover."B-182956.""PSAD-77-54."Mode of access: Internet
"GA0/RCED-87/3.""April 1987."At head of title: Report to the Congress.Cover title.Mode of access: In...
Publication date stamped on cover."B-140389."Cover title.Mode of access: Internet
Chiefly tables."August 1982.""Office of Highway Planning"--Cover.Title on cover: Highway performance...
Cover title."CED-78-125."Publication date stamped on cover.Mode of access: Internet
Publication date stamped on cover."CED-78-12."Cover title.Mode of access: Internet
"Publication no. FHWA-PL-99-015.""August 1999.""U.S. Department of Transportation, Federal Highway A...
Publication date stamped on cover."B-164497(3).""CED-76-156."Cover title.Mode of access: Internet
Publication date stamped on cover."ID-75-73."Cover title.Mode of access: Internet
"B-164497(1)."Publication date stamped on cover.Cover title.Mode of access: Internet
Publication date stamped on t.p."B-164497(5).""CED-76-161."Cover title.Mode of access: Internet
Publication date stamped on cover."B-153449."Cover title.Mode of access: Internet
Publication date stamped on cover."B-164031 (1)."Cover title.Mode of access: Internet
"CED-78-159."Cover title.Issued Oct. 10, 1978."B-164497."Mode of access: Internet
Publication date stamped on cover."MWD-76-4."Cover title.Mode of access: Internet
Cover title.Publication date stamped on cover."B-182956.""PSAD-77-54."Mode of access: Internet
"GA0/RCED-87/3.""April 1987."At head of title: Report to the Congress.Cover title.Mode of access: In...
Publication date stamped on cover."B-140389."Cover title.Mode of access: Internet
Chiefly tables."August 1982.""Office of Highway Planning"--Cover.Title on cover: Highway performance...
Cover title."CED-78-125."Publication date stamped on cover.Mode of access: Internet
Publication date stamped on cover."CED-78-12."Cover title.Mode of access: Internet
"Publication no. FHWA-PL-99-015.""August 1999.""U.S. Department of Transportation, Federal Highway A...