In the clip above, you can follow marine ecologist Dana Dalicsek who shows some of the excavated wrecks.
During a year of work, the wrecks have been found continuously.
Everything from larger 20 meter home delivery boats from the 18th century to smaller 4-5 meter utility boats - the latest from the 19th century.
Once they were at Masthamnen, now Packhusplatsen, and when they sank to the bottom, the traffic continued as usual.
The mud is heavy almost everywhere you dig for Västlänken.
And no less than on nine occasions, the work has been stopped when the marine archaeologists found a new wreck.
After excavation and documentation, the wrecks are moved away but are not rescued in their physical form.
Instead, they are saved digitally as 3D photos, which can be seen on the Archaeologists' website.
"New picture of Gothenburg"
Dana Dalicsek, marine archaeologist and project manager, says that these wrecks provide new details about Gothenburg's history.
- If you compare with today's local marina, it is the case that sometimes it is a boat that has sunk and then everyone thinks "yes, it is there".
And then you pass by anyway.
He continues:
- It was exactly the same in Masthamnen once upon a time.
The boats we find were often fast-built and cheap boats that they did not bother to pick up and repair when they sank.
But now we get, thanks to that, a completely new image of Gothenburg as a port city, says Dana Dalicsek.