The tunnel connects the island of Hitra to the mainland.

[1][2] The tunnel begins on the island of Jøsnøya, just south of the village of Sandstad.

The tunnel was built as part of a large project called "Fastlandsforbindelsen Hitra–Frøya".

The project also included the construction of the Frøya Tunnel and the construction of a road and bridge network connecting the islands of Fjellværøy and Frøya.

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