Tunnels completed in 1968

mountain

Tingstadstunneln (Tingstad Tunnel) is a motorway tunnel under the Göta älv, connecting Hisingen with mainland Gothenburg. The tunnel was constructed with two parallel immersed tubes with three lanes of traffic in each tube. It is part of the E6 route linking Norway with south-west Sweden.

The IJtunnel, opened on 30 October 1968, is an automobile tunnel under the IJ that connects the centre of Amsterdam with Amsterdam-Noord. The tunnel is part of a route across Amsterdam that connects the Ringweg North with the Ringweg South near Duivendrecht, via Nieuwe Leeuwarderweg, Valkenburgerstraat, Weesperstraat, Wibautstraat and Gooiseweg (S112).

road tunnel through the south-eastern part of the Rock of Gibraltar