The Milan Metro Line 2 (Linea Due in Italian), is a subway line serving Milan, Italy, operated by ATM and part of the Milan Metro. It is also called Green Line, (Linea Verde in Italian), 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 (24.5 mi) long and has 35 stations.