| Yard | Tunnel realization | 
|---|---|
| Location | Altenstadt, Austria | 
| Subcategory | TUNNEL | 
| Built in | 2001 | 
| Opened in | 2003 | 
| Application | Tunnel realization | 
| Application Type | Admixtures for concrete | 
| Client | Land Vorarlberg | 
| Contractor company | Arge Ambergtunnel Ostrohre | 
| Installer companies | Transbeton GmbH & Co KG | 
| Architects | Hr. Wolfgang Schonherr | 
| Project Manager | Hr. Hanno Kontzet |