The Trieste Campo Marzio Railway Museum is a museum in Trieste (Italy), concerned with railway and tram transportation. It is housed in Trieste Campo Marzio railway station, the former Trieste Staatsbahnhof (earlier still known as the Sankt-Andrae-Bahnhof) during the Austro-Hungarian period and one of the two main terminal stations in Trieste. Since July 2017,^[update] the museum has been closed for renovation by the Fondazione FS (the heritage foundation of Ferrovie dello Stato Italiane).^[1]

The museum, inaugurated on March 8, 1984, hosts historic rolling stock and locomotives on the five existing tracks of the former passenger station built by Austro-Hungarian government. Inside the station building the museum holds devices, signals and interlocking, as well as scale models^[2] . It covers all the railways history of Trieste area from mid-19th century to mid-20th century: during this period the city and its nearby territory were part of different nations, as Austria-Hungary, Kingdom of Italy, Socialist Yugoslavia and Republican Italy.

The rolling stock ^[3] examples kept in the museum include:

• 728.022, Lokomotivfabrik Floridsdorf 1921
• 640.064 Società Italiana Ernesto Breda 1909
• Armoured car, former German Army
• 683.015 locomotive, MÁVAG 1918
• Three tramway car, built in the 30s and 40s, and a tramway trailer
• Snowplow Vnx 806.201, former FS Class E550, used on the Udine-Tarvisio line