The tunnel goes through the Fløyfjellet mountain massif between the city neighborhoods of Sandviken and Kalfaret.

The tunnel was built to provide a fast route around the city centre.

[4] In July 2011, a car crash occurred inside the Fløyfjell Tunnel.

A man was driving the car south when he crashed into the mountain wall, suffering only minor injuries.

The local police were notified by witnesses and arrived promptly, and subsequently closed the tunnel.