The Ring Road (Ringstraße) with a historical tram From 1850 to 1890, city limits in the West and the South mainly followed another wand 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. Vienna https://andersonuhtdm.blogripley.com/22548168/fragen-Über-wien-revealed