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美国国会在50年代建设国际公路系统的时候,当时的规划者和设计师认为这些公路不但能够满足本世纪的需要,而且能够适应21世纪的需要。但是,随着本世纪行将结束;东西走向的6车道公路显然已经不堪重荷。当时建公路是用以联结都市的,而对乡村小镇和边远地区则不屑一顾。然而,当年的乡村小镇和边远地区今天已成为大都市。这些大都市生产的货物不但运往全国各地,而且运往世界各地——由铁路运往墨西哥或由船运往南美、欧洲和亚洲。州际公路系统已经不能满足今天的需要,更不
When the United States Congress built the international road system in the 1950s, the planners and designers of the time considered the roads not only to meet the needs of this century but also to meet the needs of the 21st century. However, as the turn of the century is coming to an end, the six-lane east-west road is clearly overwhelmed. At that time, the road was built to connect the cities, while the township and outlying areas dismissed it. However, the townships and remote areas of the year have become metropolises today. The goods produced in these metropolises are shipped not only to all parts of the country but also to all parts of the world - by rail to Mexico or by ship to South America, Europe and Asia. The interstate highway system can no longer meet today’s needs, not to mention