There are almost 24 operational stations which runs on Line 1 of Kolkata Metro. The Kolkata Metro Line 1 called as North South Metro operates from Kavi Subhash to Noapara Metro Station. From 24 stations 7 stations are elevated 2 are at grade and the rest are underground. In future it will get connected to Line 2, Line 3, Line 4, Line 5 and Line 6 of Kolkata Metro.
The Kolkata Metro has 6 Lines in which 1 is operational, 4 are under construction and 1 is Proposed. Kolkata Metro current system length is 27.22 km and has average speed 55-60 KMPH.