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1849年的“淘金热”让人们领略了北美大陆西海岸的丰富宝藏与东西两岸间的广阔天地。而向西行进的艰辛旅程促使美国在19世纪50-80年代展开了铁路建设的热潮。政府搭台、企业唱戏,浩浩荡荡的筑路大军战严寒、斗酷暑,为建设横跨大陆、四通八达的美国铁路网立下汗马功劳。正是那穿越中西部、大平原和落基山脉的干线与纵横交错的支线铁路运输推动了美国经济的迅速发展。如今、美国现代交通工具的飞速发展使铁路运输日渐萎缩,动力火车已成昨日黄花,但杂草丛中那锈迹斑斑的铁轨仍印证着铁路建设曾经的辉煌。
1849 “Gold Rush” lets people appreciate the rich treasure of the West Coast of the North American continent and the vast space between the east and the west. The difficult journey to the west prompted the United States to start its railway construction boom in the 1950s and 1980s. The government has taken the stage and enterprises singing and playing the mighty cold war of the mighty Road Construction Road. It has made tremendous contributions to the construction of a U.S. railway network extending across the mainland and extending in all directions. It is the railway that runs through the central and western parts of the Great Plains and the Rocky Mountains and the criss-cross regional railway transportation have promoted the rapid economic development of the United States. Nowadays, the rapid development of modern means of transport in the United States has caused the rail transport to shrink. The power train has become a yellow flower yesterday. However, the rusty tracks in the weeds still confirm the glories of railway construction.