3.1.2. Lines (Km)
	1995	19991)	2000	20011)	2002	2003
Length of operated lines	9 430	9 444	9 444	9 523	9 600	9 602
by number of tracks
single track	7 497	7 515	7 515	7 645	7 725	7 757
double tracks and more	1 933	1 929	1 929	1 878	1 875	1 845
by gauge of tracks
standard gauge	9 336	9 342	9 342	9 421	9 498	10 500
narrow gauge	94	102	102	102	102	102
by nature of  traffic
passenger only	41	427	474	474	486	486
goods only	37	185	170	150	211	211
passenger and goods transport	9 352	8 832	8 800	8 899	8 903	6 111
Non-electrified lines total	6 687	6 601	6 601	6 630	6 674	6 659
by number of tracks
single track	6 439	6 385	6 385	6 413	6 498	6 502
double tracks and more	248	216	216	217	176	157
by gauge of tracks
standard gauge	6 593	6 499	6 499	6 530	6 574	6 559
narrow gauge	94	102	102	100	100	100
by nature of  traffic
passenger only	41	424	462	462	474	474
goods only	37	82	88	78	138	138
passenger and goods transport	6 609	6 095	6 051	6 090	6 062	6 047
Electrified lines total	2 640	2 843	2 843	2 893	2 926	2 943
by number of tracks
single track	971	1 130	1 130	1 232	1 227	1 255
double tracks and more	1 669	1 713	1 713	1 661	1 699	1 688
standard gauge	2 640	2 843	2 843	2 891	2 924	2 941
narrow gauge				2	2	2
by nature of  traffic
passenger only	*	3	12	12	12	12
goods only	*	103	82	72	73	73
passenger and goods transport	2 640	2 737	2 749	2 809	2 841	2 858
by type of current
50 Hz/25 000 V	975	1 152	1 152	1 256	1 254	1 263
DC 3 000 V	1 619	1 645	1 645	1 591	1 626	1 633
DC 1 500 V	46	46	46	46	46	47
1) change of rail lines inventory methodology				Source: MD's transport statistics