Follo Line Tunnels

Railways

Start

july
2015

Amount

80
M€

End

december
2020

Location

Oslo (Norway)

Client

Norwegian Rail Administration

Scope

Rail infrastructure for the high-speed (200 km/h) twin railway tunnels to link up Oslo with the city of Ski. The tunnels will span 20 kilometers, making them the longest to be found in Scandinavian.

Features

2 single-tube tunnels measuring 20 km plus a section of approximately 80 m2
lnterconnections link up the two tunnels every 450 m along their route, along with rescue areas and evacuation zones
Rail systems needed to ensure the proper functioning of the electromechanical installations and systems (ventilation, fire protection and co11trol a11d firewalls)

Project developed by: