Bözberg Tunnel

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The Bözberg Tunnel is a motorway tunnel in Switzerland, and forms part of the A3 motorway from Basel to Sargans.

The tunnel is 3.7 km long.

It lies in a hilly area between Frick and Baden, in Aargau.

The motorway tunnel was scheduled for a 1992 completion, but was only opened in the late 1990s.

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