The Norwegian Public Roads Administration (Statens Vegvesen) has awarded the company the design and construction of the Gjønnes tunnel for 156 million euros.
This is a new highway connection between Gjønnes and the E18 highway at Strand, with a further connection to Fornebu. Specifically, OHLA will construct a concrete tunnel of approximately 100 meters and a rock tunnel of roughly 1,400 meters. The technically challenging infrastructure will have two lanes and a cross-section of T9.5. In addition to the tunnel, a new intersection will be built at Gjønnes with a connection to Bærumsveien.