National Road 4 Kirri-Tikkakoski

This project started in 2018 and will be completed by 2023. The customer of the project is Finnish Transport Infrastructure Agency. National Road 4 is improved between Kirri, Jyväskylä and Vehniä, Laukaa. Between Kirri and Makkarajoki river, the road runs in a new terrain corridor and between Makkarajoki river and the Vehniä multilevel interchange the motorway is located in the current terrain corridor.

National Road 4 is constructed as a 2+2 road with a central barrier. In addition to the motorway, a parallel road is constructed for the entire section.

When completed, the project will improve the flow of traffic and increase safety, thanks to new interchanges, a new parallel lane and new lanes of pedestrians and cyclists. The improvement of the national road promotes the business-related and residential land use of the City of Jyväskylä.

The project in numbers:

  • 17 km of motorway
  • Over 25 km of pedestrian and bicycle lanes
  • 6 multi-level interchanges
  • 30 bridge locations
  • Expecting nearly 21,000 vehicles per day in 2040

Customer: Finnish Transport Infrastructure Agency

Contract time: 2018-2023