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The A1 is Austria's main east–west thoroughfare and part of the major European routesE55 and E60.
History
7 April 1938: Hitler turns the first sod at Walserberg, on the left Fritz Todt
The construction of the first two sections near Salzburg started a few weeks after the Anschluss annexation of Austria in 1938, as the Nazi authorities had long time before setting up plans for an eastern continuation of the Reichsautobahn 26 from Munich to Salzburg (the present-day Bundesautobahn 8) towards Linz and Vienna in what was to become the German Ostmark. However, only two sections around Salzburg with a total length of 12.5 km (7.8 mi) were opened to traffic when works discontinued in 1942 due to World War II.
After the war, the interrupted construction works on the third section to Eugendorf were finished, nevertheless, the further continuation could not be resumed under Allied occupation. Between 1947 and 1965 the completed sections northwest of Salzburg were used as a racing track, known as "Little AVUS", the site of an annual motorcycle race, later called Grand Prix of Austria, with racer Helmut Krackowizer among the first winners.
A1 near Eugendorf, 2009
The construction of the A1 continued upon the signing of the Austrian State Treaty in 1955. 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.
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The motorway links to the following additional motorways and major roads:
