 The first post-war section up to Mondsee in Upper Austria was opened in 1958, the route from Salzburg to Vienna was completed with the opening of the last segment at Amstetten.Finishing works near Strengberg on the border between Upper and Lower Austria and of parts between Lambach and Vöcklabruck in Upper Austria ended in the 1970s.In Vienna, the West Autobahn intersects with the B1 "Wiener Straße" highway in the Hietzing district at kilometre 9; former plans for a continuation to the city beltway were never carried out.