sponsored by U.S. Department of Transportation, Federal Highway Administration ; prepared by International Road Federation ; in cooperation with the Organization for Economic Cooperation and Development and the Transportation Research BoardInternational Road Federation1987
sponsored by U.S. Department of Transportation, Federal Highway Administration ; prepared by International Road Federation ; in cooperation with the Organization for Economic Cooperation and Development and the Transportation Research BoardInternational Road Federation1984
sponsored by U.S. Department of Transportation, Federal Highway Administration ; prepared by International Road Federation ; in cooperation with the Organization for Economic Cooperation and Development and the Transportation Research BoardInternational Road Federation1982
sponsored by U.S. Department of Transportation, Federal Highway Administration ; prepared by International Road Federation ; in cooperation with the Organization for Economic Cooperation and Development and the Transportation Research BoardInternational Road Federation1981
sponsored by U.S. Department of Transportation, Federal Highway Administration ; prepared by International Road Federation ; in cooperation with the Organization for Economic Cooperation and Development and the Transportation Research BoardInternational Road Federation1980
sponsored by U.S. Department of Transportation, Federal Highway Administration ; prepared by International Road Federation ; in cooperation with the Organization for Economic Cooperation and DevelopmentInternational Road Federation1978
sponsored by U.S. Department of Transportation, Federal Highway Administration ; prepared by International Road Federation ; in cooperation with the Organization for Economic Cooperation and DevelopmentInternational Road Federation1976
sponsored by U.S. Department of Transportation, Federal Highway Administration ; prepared by International Road Federation ; in cooperation with the Organization for Economic Cooperation and DevelopmentInternational Road Federation1974
sponsored by U.S. Department of Transportation, Federal Highway Administration ; prepared by International Road Federation ; in cooperation with the Organization for Economic Cooperation and DevelopmentInternational Road Federation1973