How many kilometers is metro of Sofia? There are more than one line under construction?
As of September 7, 2009 it has been extended to 14 stations and a total length of 18.0 km.
Metro Line 1 consists of 14 stations completed, 2 stations U/C, 4 other stations to be U/C shortly and 4 stations on project.
Metro Line 2 consists of 11 stations U/C plus other ones on project.
Metro Line 3 is only on project for now.
Total length of the 3 lines without their future branches is estimated at 52 km.