On Tuesday, July 7, exactly half a year after the excavation began, the left tube of the Opevnění Tunnel on the D11 motorway was broken through. The project, carried out by division 1 and Metrostav TBR, is located on the outskirts of Trutnov, near Mrtvé Lake. The excavated section is 444 meters long; as of the breakthrough, approximately 90 percent of it had been completed. The total length of the Opevnění Tunnel will be 492 meters.
On Monday, June 29, after four years, excavation work on Line D of the Prague Metro was completed in the Pankrác–Olbrachtova section, which is being carried out by an international contractor consortium led by division 5. In addition to the two-aisle Olbrachtova station and technical spaces, the 1.3-kilometer-long section also includes the single-aisle Pankrác station, the largest in the Prague metro. whose cross-sectional area, exceeding 400 square meters, had to be divided into eleven separate excavation sections, including the bottom pilot gallery.
On Friday, June 19, construction of the second phase of Prague Metro D – the Olbrachtova–Nové Dvory section – was officially commenced. The project, which includes the Nádraží Krč, Nemocnice Krč, and Nové Dvory stations, will connect to the first phase, thereby creating the first operational section of Line D. The international consortium, led by division 5, also features Hochtief CZ, BeMo Tunelling, and Hochtief Infrastructure. The ceremony took place at the Nové Dvory station site, Subterra was represented by general director Ondřej Fuchs.
On Wednesday, May 13, the blessing of the statue of St. Barbara and the christening of the Vojtěch boring shield took place at the Kladno railway station. Microtunneling of the hot water pipeline for the Stromovka residential complex, which division 1 is carrying out as the general contractor, consists of two sections running under the railroad tracks. The work will be realized when train service remains fully operational. The ceremony featured director of division 1 David Cyroň.
On Monday, March 30, Division 3 signed a contract for the modernization of the Prague-Ruzyně – Kladno railway line. The contractor consortium also includes OHLA ŽS, Elektrizace železnic Praha, and Swietelsky Rail CZ. The 15-kilometer section represents a key stage of the railway connection from the capital to Kladno and will largely run on a new track.
On Tuesday, April 7, the reconstruction of the Hradec Králové railway station officially began. The project is being carried out by OHLA ŽS, division 3, and Elektrizace železnic Praha. Subterra was represented by its commercial director Jiří Tesař. In addition to the reconstruction of the tracks, technologies, and passenger facilities, this extensive project also includes connections to other modes of transportation. Completion of the modernization is scheduled for 2031.
In mid-March, a detailed geotechnical survey began for the Prostřední Vrch tunnel, which will be part of the D3 central Bohemian motorway in the Václavice–Voračice section. Following a preparatory phase of around three months and the installation of a micropile umbrella, an 838-metre-long exploratory tunnel will be excavated over a period of ten months, using the New Austrian Tunnelling Method (NATM) and blasting works. The contract for the Road and Motorway Directorate (ŘSD) is being carried out by division 1.
On Thursday, March 5, the 29th annual Railway Conference was held at the O2 Universum in Prague, with Subterra traditionally among its main partners. Tomáš Žák from division 1 gave a presentation about the reconstruction of four historic tunnels on the Tanvald–Kořenov railway line. Kamil Broda from division 3 presented the modernization of the Žilina railway station in Slovakia.
Division 1 continues to work on the Holstein Tunnel on the A44 motorway in the German state of Hesse, in cooperation with its sister company BeMo Tunnelling. Excavation of both tubes is currently underway, with approximately two-thirds of the total length of 1,664 meters already reached. At the end of last year, concrete work on the secondary lining also began.