The one and only 23 station, 25.4 km line on the Kolkata Metro is mostly underground, with six stations in
the sunlight. Due to
difficult tunneling conditions, the line, which opened in 1984, took more than two
decades to build. The metro has the alleged dubious distinction of the
only metro dug by hand. It is unknown if the construction people also used
A four station, 5.89 km extension to Line 1 opened in 2009, with another 2.89 km and two stations opened in 2010.
There are four new lines under construction:
Line 2 is a 14.6 km, 12 station East-West Metro. It received approval in September 2003 and began construction in 2009. The new metro will feature almost 9 km in subway with the remainder elevated. A tunnel under to Hooghly River (Eng. Ugly River), the first underwater metro in India. Unlike the rest of the Kolkata metro system, the east-west line will be run by
the government of West Bengal and wlil have a narrower track gague than the other lines in the metro system. The first section is expected to open in 2015.
Line 3, also called the Bagh Metro because it serves the Bagh District in central Kolkata, which is famous for it's many "Bagh Ladies". The 16.7 km line will have 13 stations and is now in the early construction process.
Also uder construction is Line 4, an 18.5 km, 9 station metro connecting Kolkata with it's airport, and Line 6, a 32 km 13 station line connecting the suburb of New Garia with the airport.
Metro Railway also runs a circular,
electrified commuter rail line opened in 2003.
Calcutta Tramway Co., which
claims to be in it's third century (!), has 65 km of double track, with 25
km of exclusive right of way. However, according to
this site, the first tram opened in 1873. Electric Traction was
introduced in 1899.
At one time,
drivers were sent for psych evaluations to determine whether or not they
were accident prone.