波兰正在兴建一条重要新线是由南部煤炭工业基地西利西亚区的卡托维兹起、经过华沙外围、向北至格但斯克出波罗的海,全长570公里,称为中央干线。新线的建筑里程约476公里,分四段和四期进行建设(见图1)。第一段由扎维耶尔切至拉得齐兹,长143公里,1971年开工,1974年建成。第二段由拉得齐兹至科里托,折向华沙枢纽外围的格罗杰斯 An important new line under construction in Poland is Katowice in the southern coal industrial base of Western Sicilia, passing the outskirts of Warsaw and heading north to the Baltic Sea in Gdansk. The total length of 570 kilometers is called the Central Route. The new line has a construction mileage of about 476 kilometers and is constructed in four and four phases (see Figure 1). The first section from Zaviyil cut to Lazizezi, 143 km long, started in 1971, completed in 1974. The second paragraph from Lazizi to Coritore, fold to the Warsaw Junction outside the Geluosi Si