铁道第一勘察设计院

Brief Introduction of FSDI

铁道第一勘察设计院1953年1月在甘肃天水诞生，是新中国成立的第一批铁路勘测设计单位。同年3月，迁至甘肃省省会兰州市。2003年11月，从铁道部整体划人中国铁道建筑总公司。2005年12月总部迁至陕西省会西安市。半个世纪以来，铁一院完成的国家和省部级重点建设项目遍及全国26个省．市、自治区以及伊拉克、尼日利亚等国家和地区。仅铁路累计完成各阶段研究及勘测设计40万公里，建成正线里程20000多公里，其中包括兰新、青藏、包兰、宝中、西康铁路等国家长大干线。同时，还进入了全国10个城市的地铁项目，先后承揽了全国10多个省市的公路项目，主持设计了在全国极具影响力的大型立交枢纽。

The First Survey ＆ Design Institute of China Railways （FSDI） was established in Tianshui of Gansu Province in January, 1953. In March of the same year, it was moved to Lanzhou of Gansu Province. In November 2003, FSDI was integrally incorporated into China Railway Construction Corporation from The Ministry of Railways. In December, 2005, FSDI was moved to Xi＇an of Shanxi Province. Since half century, FSDI has already completed key construction projects of state （province and ministry） which spread over 26 provinces, municipalities and autonomous regions as well as Iraq, Nigeria, Tanzania etc. Feasibility study, survey and design of every phase of 400,000 km. of railway lines have been accomplished. The total mileage of railway main lines has been up to about 20,000 km., among them there are state long trunk line railways such as Lanzhou-Urumqi Railway,