Swiss construction company Implenia was successful on the bid of a large-scale infrastructure project around 100 km southwest of Oslo, for which the contract worth 105 million euros (979 million Norwegian kroner) was signed on April 7, 2016. Near the town of Kongsberg, the Norwegian Public Roads Administration has commissioned new sections of the E134, a key road link between Oslo and the west coast. The project includes construction of a new 4.8 km four-lane road, a 1.5 km two-lane tunnel and six tunnel portals, plus bridges and various supporting walls as well as noise protection structures. The project is scheduled for completion in September 2019. In total, it comprises approximately 25 000 m3 of concrete used, 250 000 m3 of rock blasted out underground, 210 000 m3 of rock blasted out overground and 350 000 m3 of excavated soil.