The Southern Arizona Transportation Museum connects Tucson’s railway history with the surviving downtown depot and Southern Pacific steam locomotive No.1673. The setting is an important part of the experience: this is a museum attached to the place where the railroad met the city, rather than a locomotive displayed far from its historical context. Exhibits and the surrounding station area help explain how railway transportation became part of Tucson’s development.
Locomotive 1673 is the most prominent object. National Register documentation describes its work as a freight engine and records more than a million miles of Southern Pacific service. That long working life offers a useful contrast with the polished appearance of a preserved machine. Before becoming an exhibit, the locomotive belonged to a system of crews, repairs, schedules and freight movements that supported the region’s economy.
The engine also acquired a connection with popular culture. It was used during the filming of Oklahoma! in 1954, giving a southwestern freight locomotive a role in the screen version of a story set elsewhere. The film association adds an entertaining layer without replacing the engine’s working history. It is a reminder that movie railways often depend on surviving equipment whose real careers were quite different from the journeys audiences see on screen.
The museum’s focus extends beyond the locomotive to the history of transportation in southern Arizona and the historic depot itself. Photographs and interpretation can help place the large machine within the changing city around it. The depot setting is especially useful for thinking about arrivals, departures and the way rail connections altered a community’s relationship with distant places. A station was both a practical workplace and a highly visible symbol of connection.
During a visit, compare the locomotive’s dimensions and mechanical details with the architecture of the passenger environment nearby. The museum advertises volunteer interpretation and historical events, which can provide more context than an exterior look alone. The site is best approached as a focused urban railway heritage visit, with the historic building and engine interpreted together.
Visitor information
Researched November 2026.
Sources
More railroad museums in Arizona
- Arizona Railway Museum — Chandler: Railroad museum and rolling-stock collection
- Scottsdale Railroad Museum at McCormick-Stillman Railroad Park — Scottsdale: Railroad museum within a public park
- All 3 railroad museums and sites in Arizona
Keep exploring
- All heritage sites — museums, stations and landmarks
- Southwest — the trains you can ride in the region