Trip with the Milan Metro M3 from Crocetta to Duomo. Duomo di Milano is the Milan cathedral church found in Milan Lombardy, northern Italy.
Line 3 (Linea Tre in Italian, also known as M3) is a subway line serving Milan, Italy. The line is part of the Milan Metro and is operated by ATM. Construction began in 1981 in order to be ready for the 1990 Football World Cup. It is also called the Yellow Line (Linea Gialla) as it is identified by yellow signage. The line connects the south-eastern suburb of San Donato Milanese to the north-western area of the city passing through the city centre. It is 17.1 km long with 21 stations.