Münden Tunnel a tunnel as well. The tunnel breakthrough was on October 6, 1988. On May 29, 1991 the tunnel was officially opened, along with the Hanover-Fulda part of the high-speed rail line. The cost of construction was about DM 200 million (€102 million). Münden Tunnel The Münden Tunnel () is a railway tunnel on the Hanover-Würzburg high-speed rail line in Germany. It is situated south of the town of Hann. Münden between Göttingen and Kassel. At a total length of 10,525 metres, it is the second longest tunnel in Germany after the Landrücken Tunnel. The tunnel was built between 1983 and
Kviven Tunnel Kviven Tunnel The Kviven Tunnel () is a long road tunnel through the mountain "Kviven", along the European route E39 highway. The road crosses the county border between Sogn og Fjordane and Møre og Romsdal counties. The eastern end of the tunnel is at Kalvatn, just east of the village of Fyrde in Volda Municipality (in Møre og Romsdal county). The western end is at the village of Grodås in Hornindal Municipality (in Sogn og Fjordane county). The tunnel was approved for construction in 2008 and it was completed in 2012. The tunnel was officially opened on 22 September 2012