Line 2, is a subway line serving Milan, Italy, operated by ATM as part of the Milan Metro. It is also called the Green Line,, as it is visually identified by green signs.
The line runs from the southern to the north-eastern neighborhoods passing through the city centre, serving the north-eastern metropolitan area with two different branches. The line is 39.4 km long and has 35 stations. Line 2 is the longest line of the Milan Metro and is the only one running partially overground. The branch to Cologno Nord runs mostly on viaducts, while those to Assago and Gessate run on the surface.
The line has the southernmost and easternmost stations on the network.
Wikipedia https://en.wikipedia.org/wiki/Milan_Metro_Line_2
Coordinates 45°28'37.313" N 9°11'5.157" E