📋 Tender Overview
The Cornberger Tunnel is located on the Frankfurt (Main) – Göttingen route in a double-track electrified section between Bebra and Sontra. It was put into operation in 1875 and has suffered numerous damages after the past 145 years of train service. Due to the damage, the tunnel can no longer be renovated economically and must therefore be replaced by a new building in a parallel position. This maintains the performance of the track over the long term. In addition, driving comfort is increased.
The new double-track tunnel will be built in parallel to the south of the existing tunnel. As a result, the tracks in the area of ??the tunnel and at Cornberg station will also be swung slightly to the south. Due to the new track layout, the forest path also has to be moved sideways over a length of around 60 metres. The portal structures are bordered with newly formed embankments. In addition, access roads and new technical buildings are being built for both portals. A rescue area including a fire-fighting water tank will be set up at the east portal. The new tunnel will be 681 meters long.
The 719 meter long Cornberger Tunnel between Bebra and Sontra has almost reached the end of its technical useful life. Therefore it will be replaced by a new building.
March 2025 – December 2028:
Construction of the portal structures
Driving from east to west
Installation of the separating foil and concreting of the inner shell from east to west
Construction of railway tracks
gravel track
Signal and cable work
catenary work
Widening and renewal of the "K 52" railway overpass and the passage there
Extension of the two other culverts of the "Cornberger Wasser" river
The tunnel is expected to be commissioned in December 2028.
remaining work
December 2028 – December 2029
Track tamping work to compensate for settlements that have occurred
Dismantling of the track systems and technical systems of the overhead lines, signaling technology and the cable systems of the existing tunnel
Backfilling and sealing of the existing tunnel
Demolition of construction roads, construction site facilities and interim storage areas
Construction is scheduled to start in October 2024. All work is expected to be completed in December 2029.
