| 2005 | 2008 | 2009 | 2010 | 2011 | 2012 | |
|---|---|---|---|---|---|---|
| Operational length of a network - axis | 783.5 | 796.3 | 798.2 | 802.9 | 805.9 | 807.6 | 
| of which: | ||||||
| trolley-bus route | 377.9 | 384.5 | 386.4 | 391.0 | 391.0 | 392.7 | 
| tramway route | 351.6 | 352.8 | 352.8 | 352.9 | 355.9 | 355.9 | 
| metro | 54.0 | 59.0 | 59.0 | 59.0 | 59.0 | 59.0 | 
Source: MD