A9 motorway (Switzerland)

Template: Infobox trunk road / Maintenance / CH -A


  • Vaud Canton of Vaud
  • Valais Canton of Valais
  • In construction
  • In planning

The Swiss autobahn 9 is part of the National Highway 9, and is not in all sections doppelspurig and directionally. The N9/A9 leads from Ballaigues on the French border via Lausanne and Vevey, Sion, Brig via the Simplon Pass to Gondo on the Italian border.

History and development

The A9 begins and ends in the Jura in the Alps. It starts at about 800 m above sea level. M. and leads through the valley of the Orbe in the Orbeebene where it meets the A1. In Lausanne, the highways separate; A9 leads north to east around the city. High above Lake Geneva, it leads in Lavaux to Vevey, where the A12 going north. On the hill above Montreux along it comes to the Rhone Valley, where in Villeneuve VD about 380 m above sea level. M. lies the deepest point of the route. In Saint- Maurice VS she crosses first the Rhone and thus changes the Canton of Vaud in the canton of Valais. As a major route for the traffic in the Valais leads in the valley throughout the Rhone valley up until shortly before Brig Glis From the road the mountain towards Simplon high winds and ends at about 900 m above sea level. M. Hauptstrasse 9

All along the route had to be created numerous engineering structures. These include many tunnels especially at the lake and the landscape-shaping viaduct above the Castle of Chillon.

The route Sierre- chamois, will run underground from the more than half, is still under construction. This 31 km long stretch will cost CHF 2.27 billion and will be financed by the Canton of Wallis and 4% to 96 % by the federal government. Ready to be until 2025, the entire Upper Valais section after several delays well.


On March 13, 2012 compared to 21.15 clock in a tunnel section in Sierre / Siders a bus accident in which 28 people died, including 22 children occurred.