Improvement of highway 4 between Vehniä - Äänekoski
The goal of upgrading Highway 4 has been to improve road safety for the connection and to provide for the future needs of traffic by building Highway 4 into a four-lane and semi-central railing.

The sizable parallel road arrangements for the entire stretch of highway to a predominantly new location. One new intersection for Hirvaskylä. The share will be linked to four interchanges in the future. Measuring noise control measures, approximately 7 km on a section of noise control structures.
Customer
Keski-Suomen ELY-keskus
Location
Äänekoski
Size
14,6 km
Completion
2022
Services
Road planning
Rock engineering
Other references
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Laakso Joint Hospital, Helsinki
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Espoo City Track
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Hailuoto causeway and bridges, Oulu
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Solar and wind power park, Kauhajoki
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