Grontmij has been commissioned by the Swedish Transport Administration to carry out project planning for the traffic junction Kungens Kurva, which entails preparing construction documents for three traffic interchanges as part of the Stockholm Bypass Project. The work will begin with planning and analysis phases and the major design work will begin in 2012. The fee for Grontmij is approximately €10m (£8.8m) for the period until end 2013.
The bypass which will link the northern and southern part of the region. The total construction costs of the bypass amount to €3bn and the scheme will also include one of the world's longest road tunnels. More than 18km of the 21km of road goes through a tunnel so as to reduce the impact on the sensitive natural and cultural environments.
The Stockholm Bypass Project is one of Sweden’s largest infrastructure projects and will result in a new route for the European highway E4 past Stockholm. The aim is to take of the pressure off the only major road through and past Stockholm and the city centre. Construction is scheduled to begin in 2012 and the construction time will be eight to 10 years.