Grodzisk Mazowiecki–Zawiercie railway

The Central Rail Line (Polish: Centralna Magistrala Kolejowa, CMK, also known in Poland as the Rail Line No. 4, Polish: Linia kolejowa nr 4), which was completed on 23 December 1977, could have been the first high speed railway line in Europe. Designed for speeds of up to 250 km/h, the line goes from the city of Zawiercie in Zagłębie Dąbrowskie region of southern Poland, to Grodzisk Mazowiecki in the suburbs of Warsaw. Its length is 224 kilometers, and in the Polish rail system it is officially known as Rail Line Number 4 (Linia kolejowa numer 4). The line was originally built for rail freight transport, but it now carries InterCity and EuroCity long-distance passenger services, mostly from Wrocław and Opole (E 30 railway in III Pan-European corridors), Częstochowa, Katowice, Kraków to War

Grodzisk Mazowiecki–Zawiercie railway

The Central Rail Line (Polish: Centralna Magistrala Kolejowa, CMK, also known in Poland as the Rail Line No. 4, Polish: Linia kolejowa nr 4), which was completed on 23 December 1977, could have been the first high speed railway line in Europe. Designed for speeds of up to 250 km/h, the line goes from the city of Zawiercie in Zagłębie Dąbrowskie region of southern Poland, to Grodzisk Mazowiecki in the suburbs of Warsaw. Its length is 224 kilometers, and in the Polish rail system it is officially known as Rail Line Number 4 (Linia kolejowa numer 4). The line was originally built for rail freight transport, but it now carries InterCity and EuroCity long-distance passenger services, mostly from Wrocław and Opole (E 30 railway in III Pan-European corridors), Częstochowa, Katowice, Kraków to War