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Photo: Rapp Bomek/Bård Gudim

Grimstadporten tunell

Grimstadporten is a tunnel on E18 in Grimstad municipality in Aust-Agder. The tunnel is 552 metres long and it was opened as part of the motorway between Arendal and Grimstad in 2000. In November 2017 started work on rehabilitating the tunnel.

In the rehabilitation project Rapp Bomek has delivered and installed fire rated doors and hatches to the tunnel and the technical building in February 2018.