Vienna pre-metro

The Vienna pre-metro tramway system, called Untergrundstrassenbahn (German for underground tramway) or sometimes abbreviated U-Strassenbahn, USTRAB or USTRABA was built on separated sections in the 1960s. The pre-metro tunnels are maintained and used by the Wiener Linien, operator of the tramway lines, and used as well by the Wiener Lokalbahnen (WLB), the operator of a regional tram-train service.

Vienna pre-metro

The Vienna pre-metro tramway system, called Untergrundstrassenbahn (German for underground tramway) or sometimes abbreviated U-Strassenbahn, USTRAB or USTRABA was built on separated sections in the 1960s. The pre-metro tunnels are maintained and used by the Wiener Linien, operator of the tramway lines, and used as well by the Wiener Lokalbahnen (WLB), the operator of a regional tram-train service.