National Road 4 Kello-Räinänperä

National Road 4 Kello-Räinänperä project started in 2018 and will be completed in autumn 2020. The project is a part of the National Road 4 Oulu-Kemi development project where Destia has also worked on improving the Oulu section. The project is implemented as a design-build-develop project in close cooperation with the customer, Finnish Transport Infrastructure Agency.

In the project, National Road 4 is transformed into a motorway between the Kello multi-level interchange and Kiiminkijoki river. National Road 4 between Kiiminkijoki and Räinänperä is transformed into a bypass with a central barrier. The goal of the project is to improve the safety and flow of traffic.

The project in numbers:

  • Section to be improved 18 km
  • 8 km of central barrier
  • 3 new bridges
  • 2 multi-level interchanges to be improved

Customer: Finnish Transport Infrastructure Agency

Contract time: 2018-2020