Work on the line, which opened in 1991 and includes 31km of tunnels and 90 bridges, involved the replacement of 190km of track, 54 sets of points and 300,000 sleepers.
Around 200,000 tonnes of new ballast was laid and 240,000 tonnes of old ballast removed to be recycled and re-used. 24 million passengers used the line in 2019.
DB Networks has been progressively renewing its two original high-speed lines, which opened in the early 1990s. In 2019, the Hannover - Göttingen line was renewed. In 2021, the section of the north-south line between Göttingen and Kassel will be renovated.
