[1][2] The museum houses a collection of some 30 rail vehicles, including motor trams, trailers, works cars, horse cars and funicular cars.

While most vehicles are from Graz, there are also exhibits from Vienna, Innsbruck, Dubrovnik and New York.

[3] The building housing the museum was originally the depot of the Kleinbahn Graz–Mariatrost, a metre gauge electric railway that was subsequently regauged to standard gauge and incorporated into the Graz tramway system.

It is near to the Mariatrost Basilica, a much visited pilgrimage church.

[4] In 2021, the vehicle exhibition was complemented by a photo exhibition, showcasing the activities of the association over the past 50 years.