Permission to build an underground line
In order to be able to build an underground line, Wiener Linien needs a construction and operating permit under Austrian railway law. It must be demonstrated that the planned line…
Review
There were plans for an underground in Vienna even before the First Worlds War. However, the two world wars and economic crises, together with concerns about costs given the fact…
Challenge when building stations
Underground planners are faced with many different challenges in built-up areas. It will be particularly challenging in the area around the future Pilgramgasse station: this must be turned into an…
Elevated underground lines
None of the planned U2/U5 routes will be elevated, largely because the urban area above is far too dense. It was possible to have parts of the U1, U2 and…