Parco Sempione, Milan, Italy
Circuit Type: Temporary road course
19461936/1937
New layout using western perimeter roads
Extension: 2,799 Km
Lap Record: 1:50.400
Year: 1946
Driver: Achille Varzi, Giuseppe Farina
Car: Alfa Romeo 158
Speed: 91,250 Km/h
| Year | Official Name | Date | Winning Driver | Constructor | Laps | Time | Formula |
|---|---|---|---|---|---|---|---|
| 1946 | III Circuito di Milano | September 30 |  Carlo Felice Trossi |
Alfa Romeo |
30 |
00:56:06.000 | GP |
Original layout using eastern perimeter roads
Extension: 2,57 Km
Lap Record: 1:20.600
Year: 1937
Driver: Tazio Nuvolari
Car: Alfa Romeo 12C-36
Speed: 107,200 Km/h
| Year | Official Name | Date | Winning Driver | Constructor | Laps | Time | Formula |
|---|---|---|---|---|---|---|---|
| 1937 | IIº Circuito di Milano | June 20 | Tazio Nuvolari |
Alfa Romeo |
70 |
01:37:15.200 | GP |
| 1936 | Iº Circuito di Milano | June 28 | Tazio Nuvolari |
Alfa Romeo |
60 |
01:35:56.400 | GP |