Kolkata' Metro started commercial operations in 1984. It was the first rail network in the country to have underground network. Dum Dum to New Garia Metro line is of 25 kilometers and has 23 stations. The metro network is currently under expansion and work is in progress in four lines namely Howrah Maidan to Salt Lake Sect V, BBD Bagh to Joka, Noapara to Barasat, and New Garia to NSCB Airport. Two more lines are approved and construction is yet to commence. These are Dum Dum to Dakshineswar - which is the extension of the existing line and a new line Baranagar to Barrackpore.
| Metro Line | Planned distance (Kms) | Planned Number of Stations |
|---|
| Line 2: Howrah Maidan to Salt Lake Sector V | 14.67 | 12 |
| Line 3: BBD Bagh to Joka | 16.72 | 13 |
| Line 4: Noapara - Barasat | 18 | 9 |
| Line 6: New Garia - NSCB Airport | 32 | 24 |
| | | |
| Approved (construction to commence soon): | | |
| Line 1: Dum Dum - Dakshineswar (extension) | | |
| Line 5: Baranagar - Barrackpore | 14.5 | 11 |
Last Updated on : 22 March 2013
