And to connect our country after World War II, we didn't build more two-lane highways, we built the interstate highway system. 在二战后,为了连通国家交通网 我们并没有建双向高速公路 而是建了州际高速公路体系 ted2019 In 1956, the National Interstate and Defense Highways Act initiated a 35...
Interstate Highway System, a network of public highways established across the United States by federal law. Though highways existed in the United States before the creation of the Interstate Highway System, the passage of the Federal-Aid Highway Act of