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Vienna Metro Line U1/9 – Altes Landgut

Extension of the line U1 - urban tunnel construction directly beneath the motorway junction Favoriten and the A23 bypass

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S6 Semmering express road General refurbishment of Niklasdorf Tunnel

Niklasdorf Tunnel - refurbishment of a tunnel in limiting equilibrium

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Upgrade of a historic transit route through Algeria

3 new road tunnels in the fabled Kherrata gorge

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A10 Reitdamm Bridge

Prestressed concrete bridge on the A10 Tauern Motorway between Pongau Junction and Hüttau

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Refurbishment S16 Tunnel Dalaas

Refurbishment and upgrades

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Site supervision Bettlerkreuz

Refurbishment of sub-surface road sections Bettlerkreuz and Kreuzergegend

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