- Tingstadstunneln
Tingstadstunneln is a motorway tunnel under the
Göta Älv , connectingHisingen with mainlandGothenburg . The tunnel was constructed with two parallelimmersed tube s with three lanes of traffic in each tube. It is part of the E6 route linking Norway with south-west Sweden.Construction started on
January 17 ,1961 , and the tunnel was inaugurated at 11:30 am onMarch 29 ,1968 .The tunnel has the lowest motorway elevation in Sweden, at 15 meters below sea level.
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