The Zwickau model is an inversion of the Karlsruhe model, with diesel main-line trains extended through city streets on tram tracks. It is so called because the German city of Zwickau was the first to introduce the concept in 1999.

A mainline railcar operating in the streets of Zwickau.

Die Länderbahn in Zwickau utilizes dual-gauge track to maintain compatibility with the city's tramway network, but that is not a necessary feature of the model.

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