National Road 4, Oulu section

National Road 4, Oulu section

This project started in 2017 and was completed in 2019. The customer was Finnish Transport Infrastructure Agency. In the project, third lanes were constructed on the motorway between Kontinkangas and Laanila in the Oulu section. In addition, new bridges were constructed and old ones repaired. Noise protection was improved over a distance of about 10 km and multi-level interchanges in the motorway were developed for fast public transport.

The project improved the safety and flow of traffic. In addition, it reduced congestion in the Oulu section and improved reliability of business transports.

The project in numbers:

  • Length of the project 16.4 km
  • 20 new bridges
  • 32 bridges to repair
  • 6 multi-level interchanges to improve
  • Noise protection improved over a distance of about 10 km

Customer: Finnish Transport Infrastructure Agency

Contract time: 2017-2019