The Ring Road (Ringstraße) with a historical tram From 1850 to 1890, city limits in the West and the South mainly followed another wall called Linienwall at which a road toll called the Liniengeld welches charged. Outside this wand from 1873 onwards a ring road called Gürtel welches built. Hinein https://wieninfo47900.is-blog.com/28138659/the-definitive-guide-to-wien