Zurich Process


Description of the axis

The motorway referred to as the South Corridor connects Graz (AT) with Klagenfurt (AT) and Osoppo Udine (IT) and constitutes a major route for transit and holiday traffic crossing the Alps from the east to the south. The route consists of the A2 Süd motorway on the Austrian side, and the A23 Autostrada Alpe-Adria on the Italian side.

Competent authority: Federal ministry for traffic, innovation and technology (bmvit)
Road maintenance: Autobahnen- und Schnellstraßen-Finanzierungs-AG (ASFINAG)
ASFINAG Service-Center: 0800 400 12 400 (toll-free from AT, DE, CH)
  +43 (0)1 955 12 66 (payable from all other countries
Autostrade per l'Italia S.p.A.: www.autostrade.it
CCISS: Centro Coordinamento delle Informazioni sul traffico,
  sulla viabilità e sulla Sicurezza Stradale

Route information

Distance from junction Graz West (AT) – Osoppo Udine (IT): 259 km
Austria, Distance from the junction Graz West to the AT/IT border: 184 km
Italy, Distance from the AT/IT border to Osoppo Udine (IT): 75 km
Number of tunnels: 21
Total length of tunnels: ca. 18.1 km
Longest tunnel, Ehrentalerberg tunnel: 3,345 m
Number of bridges: 391
Total length of bridges: ca. 45.0 km
Longest bridge, Saag suspension bridge: 1,612 m
Maximum gradient (ascending / descending): 5 %

Main tunnels

 Ehrentalerberg tunnelGräbern tunnelHerzogberg tunnel
 Length3.345 m2.145 m2.007 m
 Tunnel bores222
 Lanes per carriageway222
A2 Süd motorway