 Ramba uchiverenga ndima ino - Muna 1921, Rakeman akabatana neDhipatimendi Rezvekurima, iro panguva iyoyo raiva neBureau of Public Roads BPR - yakatangira sangano reFederal Highway Administration. Munguva yebasa rake reBPR, akapenda mifananidzo yemisangano yeMigwagwa Yakanaka, misangano yenyika, uye kuratidzira kwakadai seBrazilian Exposition 1922, Century of ProgressmuChicago 1933, Overseas Exposition muParis, Golden Gate Exposition muSan Francisco 1939 uye New York Worlds Fair 1940. Mukuwedzera, akapedza nhevedzano yemifananidzo 109 inoratidzira migwagwa yenhau yeAmerica, nzira, uye migwagwa mikuru. 