Rail lines are the length of railway route available for train service, irrespective of the number of parallel tracks.

Rail lines (km)

20002005201020112012201320142015201620172018201920202021
Azerbaijan2,1162,1222,0792,0792,0682,0682,0662,0682,0742,1322,1332,1402,2392,139
Georgia1,5621,3361,5661,2621,5781,4531,4531,4911,4151,2851,2851,3781,4111,387
Republic of Moldova1,1391,0751,1571,1571,1571,1571,1561,1511,1511,1511,1511,1511,1511,149
Ukraine22,30222,00121,70521,66521,64321,62621,62620,97521,60321,62621,62621,62621,626