2005 | 2007 | 2008 | 2009 | 2010 | 2011 | |
---|---|---|---|---|---|---|
Total length of constructed tracks | 16 156 | 15 810 | 15 716 | 15 677 | 15 666 | 15 656 |
by type of traction | ||||||
non-electric | 9 730 | 9 208 | 9 071 | 8 974 | 8 851 | 8 761 |
electric | 6 426 | 6 602 | 6 645 | 6 703 | 6 815 | 6 895 |
Source: MD