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A5 Ostregion Motorway, Austria (Vienna Ring Road)


The A5 Ostregion Project consists of the design, construction, financing, operation and maintenance of four sections of a new motorway, totaling 51.5 km in length, to the north east of Vienna, Austria.

This asset improves connectivity between Austria and the Czech Republic and relieves local towns from traffic congestion, noise and pollution.

At Financial close, shareholders in the Project Company Bonaventura Strassenerrichtungs GmbH were Alpine Mayreder, Hochtief and Egis. Meridiam provided 50% of a €78m mezzanine facility together with RREEF.

In February 2018, Meridiam opportunistically acquired the shares and mezzanine rights held by RREEF and became the sole shareholder of the project company.


In Operation, completion date 30 January 2010

51.5 km

Tolled highway


Sections of a new motorway


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