3.2.2. Urban public transport electric traction infrastructure (Km)
  1995 1999 2000 2001 2002 2003
Operational length of a network - axis 0 0 774,2 819,0 822,7 825,7
of which:            
trolleybus route * * 386,1 404,5 408,7 408,8
tramway route * * 338,3 364,7 364,2 367,1
metro * * 49,8 49,8 49,8 49,8
Source: MD's transport statistics