text: Is this really a tunnel? It does not look like on. 
  Please also check if it is allowed to turn left here (from Tiefenau to Worblaufen). Does not look like it. 
  Pls also close http://improve-osm.org/#46.9787792,7.4568790,18/layer=OSM/OPEN/true,1-0-0/true,1-0-0-0-0/true,1-0/item=46.979099,7.457471
  Thanks. 