Signal replacement ongoing on the AhrtalBahn rail route. The route was destroyed in the 2021 flood. As part of the rebuilding, the signalling is being replaced. 11 bridges and 13km of track will follow.

Railtech have a great article on the work ongoing.

https://www.railtech.com/infrastructure/2023/09/14/db-rebuilds-last-section-of-ahrtalbahn-destroyed-by-2021-flooding/?gdpr=accept