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
Summit Tunnel Gooch, assisted by Barnard Dickinson. Progress on the tunnel’s construction was slower than anticipated, largely because the excavation process was more difficult than anticipated. On 1 March 1841, Summit Tunnel was officially opened by Sir John Frederick Sigismund Smith; it had cost of £251,000 and 41 workers had lost their lives. On 20 December 1984, the Summit Tunnel fire occurred. No lives were lost and five months later, the tunnel reopened after limited repair work. The tunnel has remained in continuous use for passenger and freight services with little interruption since it opened. Summit Tunnel, between Littleborough and Todmorden is