【摘 要】
：
1、中国交通运输基础结构现状1.1铁路的基础结构与技术装备现状."九五"期间,铁路全行业完成基建投资2450亿元,新线投产近6000公里,复线投产近4650公里,电气化投产4800公里.截
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1、中国交通运输基础结构现状1.1铁路的基础结构与技术装备现状."九五"期间,铁路全行业完成基建投资2450亿元,新线投产近6000公里,复线投产近4650公里,电气化投产4800公里.截止200年底,铁路营业里程将达到6.8万公里(1995年为6.09万公里),双线率和电气化率为32%和24%(1995年分别为31%和18%),复线里程达2.16万公里,电气化里程达1.5万公里.电力、内燃机车牵引的线路占铁路营业里程的81.5%;铁路行车闭塞方式基本上实现了自动闭塞和半自动闭塞.铁路
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