M3
Comasina ↔ San Donato — Comasina ↔ San Donato. 21 stations.
The M3 in Detail
The M3 is part of the Milan Metro, operated by ATM. It runs from Comasina to San Donato, serves 21 stations, and crosses Milan, connecting the suburbs to the city's main hubs. You can transfer between lines at the main transfer stations: Duomo (M1/M3), Cadorna FN (M1/M2), Centrale FS (M2/M3), Loreto (M1/M2), and Garibaldi FS (M2/M5).
The stations on the line
The (yellow) M3 runs entirely underground from Comasina to San Donato, serving the major rail hubs of Centrale FS and Rogoredo FS and the commercial centers of Duomo and Montenapoleone.
Frequently Asked Questions
The M3 is one of the lines of the Milan Metro, operated by ATM. It runs from Comasina to San Donato and serves 21 stations.
The entire trip from Comasina to San Donato takes about 30 minutes, depending on the time of day, stops, and layover times.
Trains run from about 5:40 a.m. (about 6:00 a.m. on Sundays) until around half past midnight. According to ATM’s official timetable (GTFS), on weekdays trains run roughly every 3 minutes at peak times, every 5 minutes during the day and every 8 minutes in the evening.
The main transfer stations on the Milan Metro are Duomo (M1/M3), Cadorna FN (M1/M2), Centrale FS (M2/M3), Loreto (M1/M2), Garibaldi FS (M2/M5), San Babila (M1/M4), and Sant’Ambrogio (M2/M4). At many stations, you’ll also find connections to trams, buses, and commuter trains (Passante/Trenord).