贝尔格莱德是欧洲最近修建地铁的城市。第一期工程于1990年8月间始施工,共有两条线路,全长14km,18个车站,到2000年完工,投资7亿美元,单方向小时客运量为50 000人次。隧道分单孔、双孔,截面有圆形、方形,最大坡度为4％,最小曲线半径为300m,曲线超高为150mm。轨道包括49kg/m耐磨焊接长钢轨、混凝土枕和弹性扣件,轨距为1 435mm。 Belgrade is the city in Europe recently built metro. The first phase of the project started construction in August 1990 with a total of two lines, with a total length of 14km and 18 stations completed by 2000 with an investment of 700 million U.S. dollars and 50,000-hour passenger traffic in one direction. Tunnel sub-hole, double hole, circular cross-section, square, the maximum gradient of 4%, the minimum curve radius of 300m, the curve is 150mm high. Tracks include 49kg / m long wear-resistant welded rails, concrete sleepers and elastic fasteners with a gauge of 1 435mm.