Postponed to 03/11/2025 the deadline of the open invitation to tender for the design and rehabilitation works of the Craiova-Drobeta Turnu Severin-Caransebeș railway, part of the East/East-Mediterranean corridor, Lot 3 Igiroasa (Cap Y) – Drobeta Turnu Severin (Cap X), km 331 +000- km 362+632.  The lot includes the new twin-tube Balota tunnel, length 6189 m to be built by TBM. Click here for the tender documents. Value of the contract will be EUR1.21 billion (RON6.15 bn), excluding VAT. Duration of contract is 135 months. Contact Compania Nationala de Cai Ferate CFR SA, attn Sonia Neacsu, Bucarest, tel +40 372843221, fax +40 213192401, email sonia.neacsu@cfr.ro. Visit https://ted.europa.eu/en/notice/-/detail/713027-2025  and https://ted.europa.eu/en/notice/-/detail/689257-2025 . Ref.n. 17/2/1511/03.07.2025. 44/25.

Open invitation to tender, deadline 03/11/2025, for consultancy and supervision services for the design and rehabilitation works for the Craiova-Drobeta Turnu Severin-Caransebeș railway, part of the Orient/East-Mediterranean Corridor, Lot 6 Cap X Po Nou Poarta - Caransebes, km 436 +887- km 474+046,53.  The lot 6 includes the 2 new cut&cover tunnels Poarta II (550 m) and Poarta III (305 m) and the refurbishment of the Fenes (271 m) and Tampa (268 m) tunnels. Click here for tender documents and where tenders must be sent. Value of contract EUR4.58 million (RON23.27 million), excluding VAT. Duration of contract 195 months. Contact Compania Nationala de Cai Ferate CFR SA, att.ne Iulia Staicu, Bucarest, tel +40 372843221, fax +40 213192401, email iulia.staicu@cfr.ro.

Visit https://ted.europa.eu/en/notice/-/detail/598667-2025. Ref.n. 17/2/1826/31.07.2025. 38/25.

Postponed to 04/11/2025 the deadline of the open invitation to tender for the repair of VA1 and VA2 fans located on the combined exhaust structure (central station) (hereinafter referred to as "VA1 and VA2"), the VZO fan at the eastern portal (east station) (here in after referred to as "VZO") and the VZW fan at the western portal (west station) (here in after referred to as "VZW") of the 4975 m Branisko tunnel on the Janovce Svinia section of the D1 motorway. Click here for tender documents and here where tenders have to be sent. Value of the contract is EUR845,531, excluding VAT. Contact Narodna dialnicna spolocnost AS, Bratislava, tel +421258311701, email jana.jantosova@ndsas.sk. Visit the European tenders website for further information by clicking  here . Ref.n. 56/2025/10302. 42/25.

Open invitation to tender, deadline 04/11/2025, for the track (underground section) of Light Rail Line B, Section 3 – Europaviertel in Frankfurt s/Main. Click here for bid/tender documents and where tenders must be sent. Duration of contract is 46 months. Contact Stadtbahn Entwicklung und Verkehrsinfrastrukturprojekte Frankfurt GmbH, Frankfurt s/Main, tel +49 2218003370, email modlinski@schiffers-bauconsult.de. Visit  the European tenders site  here and here  . Ref.n. SBEV-2025-0010. 42/25.

Open invitation to tender, deadline 05/11/2025, for the renewal construction works in the Schmuecke tunnel (1.720 m, 1.729 m) on motorway A71, Lot 2. For bid documents click here, where tenders must be sent.  Value of contract EUR8.57 million, excluding VAT. Duration of contract from 23/03/2026 to 21/11/2027. Contact Die Autobahn GmbH des Bundes - NL Ost, Halle (Saale), +49 345 94099504, email Vergabe.ost@autobahn.de. Visit https://ted.europa.eu/en/notice/-/detail/625232-2025. Ref.n. A1104400703. 40/25.

Open invitation to tender, deadline 06/11/2025, for the structural maintenance of tunnel pavement. The contract is composed of two lots:  1. Structural maintenance of the tunnel pavement and its approach ramps by replacing the pavement and road infrastructure. 2. Processing urgent requests for the repair of the pavement in tunnels and access ramps. Click here for bid documents and here where tenders must be sent. Contact Vlaamse Overheid (Flemish Government), Brussel, tel +32 25537922, email aanbesteding.contracten.awv@mow.vlaanderen.be. Visit https://ted.europa.eu/en/notice/-/detail/712476-2025 and https://ted.europa.eu/en/notice/-/detail/644008-2025.Ref.n. TO/INV/2025/2. 44/25.

Postponed to 06/11/2025 the deadline of the open invitation to tender for geodetic and geotechnical monitoring in operational tunnels in terms of monitoring the static stability of tunnel tubes and portal structures. The competition is composed by two lots:

• Lot 1, including the following tunnels Sitina (1.4 km) on D2, Bratislava Lamacska cesta - Stare grunty section; Povazsky Chlmec (2218 m) on D3, Zilina (Strazov) - Zilina (Brodno) section; Horelica (605 m) on D3 I/11 Cadca - Oscadnica section; Svrcinovec (420 m) and Polana (898 m) on D3, Svrcinovec- Skalite section; Ovciarsko (2.367 m) and Zilina ( 687 m ) on D1, Hricovske Podhradie - Lietavska Lucka section.
• Lot 2, including the following tunnels on D1: Borik (1 km) on Mengusovce - Janovce section; Branisko (4975 m) on Beharovce - Fricovce section and Presov (2 km) on Presov West - Presov South section.

Click here for bid documents and here where tenders must be sent. Value of contract EUR935,481, excluding VAT. Duration of contract 48 months. Contact Narodna dialnicna spolocnost AS, Bratislava, tel +421 (0)258311111, email zuzana.malcek@ndsas.sk. Visit https://ted.europa.eu/en/notice/-/detail/713886-2025 and https://ted.europa.eu/en/notice/-/detail/693133-2025. Ref.n. 13/10302/2025. 44/25.

Postponed to 06/11/2025 the deadline of the open invitation to tender for geodetic and geotechnical monitoring in operational tunnels in terms of monitoring the static stability of tunnel tubes and portal structures. The competition is composed by two lots:

• Lot 1, including the following tunnels Sitina (1.4 km) on D2, Bratislava Lamacska cesta - Stare grunty section; Povazsky Chlmec (2218 m) on D3, Zilina (Strazov) - Zilina (Brodno) section; Horelica (605 m) on D3 I/11 Cadca - Oscadnica section; Svrcinovec (420 m) and Polana (898 m) on D3, Svrcinovec- Skalite section; Ovciarsko (2.367 m) and Zilina ( 687 m ) on D1, Hricovske Podhradie - Lietavska Lucka section.
• Lot 2, including the following tunnels on D1: Borik (1 km) on Mengusovce - Janovce section; Branisko (4975 m) on Beharovce - Fricovce section and Presov (2 km) on Presov West - Presov South section.

Click here for bid documents and here where tenders must be sent. Value of contract EUR935,481, excluding VAT. Duration of contract 48 months. Contact Narodna dialnicna spolocnost AS, Bratislava, tel +421 (0)258311111, email zuzana.malcek@ndsas.sk. Visit https://ted.europa.eu/en/notice/-/detail/713886-2025 and https://ted.europa.eu/en/notice/-/detail/693133-2025. Ref.n. 13/10302/2025. 44/25.

Postponed to 06/11/2025 the deadline of the open invitation to tender for geodetic and geotechnical monitoring in operational tunnels in terms of monitoring the static stability of tunnel tubes and portal structures. The competition is composed by two lots:

• Lot 1, including the following tunnels Sitina (1.4 km) on D2, Bratislava Lamacska cesta - Stare grunty section; Povazsky Chlmec (2218 m) on D3, Zilina (Strazov) - Zilina (Brodno) section; Horelica (605 m) on D3 I/11 Cadca - Oscadnica section; Svrcinovec (420 m) and Polana (898 m) on D3, Svrcinovec- Skalite section; Ovciarsko (2.367 m) and Zilina ( 687 m ) on D1, Hricovske Podhradie - Lietavska Lucka section.
• Lot 2, including the following tunnels on D1: Borik (1 km) on Mengusovce - Janovce section; Branisko (4975 m) on Beharovce - Fricovce section and Presov (2 km) on Presov West - Presov South section.

Click here for bid documents and here where tenders must be sent. Value of contract EUR935,481, excluding VAT. Duration of contract 48 months. Contact Narodna dialnicna spolocnost AS, Bratislava, tel +421 (0)258311111, email zuzana.malcek@ndsas.sk. Visit https://ted.europa.eu/en/notice/-/detail/713886-2025 and https://ted.europa.eu/en/notice/-/detail/693133-2025. Ref.n. 13/10302/2025. 44/25.

Open invitation to tender, deadline 06/11/2025, for supervision services the design and construction of the Brașov-Targu Mureș-Cluj-Oradea motorway, section 3B: Mihaiești-Suplacu de Barcau, subsection 3B3: Porta Salajului-Zalau, km 25 + 500-km 40 + 637, including the 2.89km twin-tube tunnel Meseș and subsection 3B4: Zalau-Nusfalau km 40 + 660 (km 40 + 637 3B3) -km 66 + 500. Click here for bid documents and where tenders must be sent. The value of the contract is EUR 24.45 million (RON124.41 million), excluding VAT. Duration of the contract is 202 months. Contact CNAIR (Compania Naționala de Administrare a Infrastructurii Rutiere), attn Nicolae Horia, Bucarest, tel +40 212643299, fax +40 212643298, email horia.nicolae@andnet.ro. Visit the European tenders website by clicking here, here and here. Ref n. 16054368/2025/2473/S/13. 42/25.

Open invitation to tender, deadline 11/11/2025, for the infrastructure treatment projects (bridges and overpasses, tunnels, earthworks and areas subject to flooding) for the railway network of general interest. All actions aimed at preventing the onset and/or progression of damage that could lead to partial or total loss of functionality and resistance capacity of the various elements to be treated will be defined, as well as those that improve the conditions of conservation and durability of the same.

The contract consists of six lots, of which lots 3 and 4 relate respectively to the north and south tunnels of the conventional, narrow-gauge and high-speed networks. Click here fo bid documents and where tenders must be sent. Value of total contract EUR 14.4 million, excluding VAT. Duration of contract 36 mesi. Contact Adif, Madrid, tel +34 913007661, email comprascontratacion@adif.es. Visit https://ted.europa.eu/en/notice/-/detail/648441-2025. Ref.n. 4.25/27507.0125. 41/25.

Open invitation to tender, deadline 11/11/2025, for the infrastructure treatment projects (bridges and overpasses, tunnels, earthworks and areas subject to flooding) for the railway network of general interest. All actions aimed at preventing the onset and/or progression of damage that could lead to partial or total loss of functionality and resistance capacity of the various elements to be treated will be defined, as well as those that improve the conditions of conservation and durability of the same.

The contract consists of six lots, of which lots 3 and 4 relate respectively to the north and south tunnels of the conventional, narrow-gauge and high-speed networks. Click here fo bid documents and where tenders must be sent. Value of total contract EUR 14.4 million, excluding VAT. Duration of contract 36 mesi. Contact Adif, Madrid, tel +34 913007661, email comprascontratacion@adif.es. Visit https://ted.europa.eu/en/notice/-/detail/648441-2025. Ref.n. 4.25/27507.0125. 41/25.

Competitive procedure with negotiation, deadline 13/11/2025, for preparing a technical plan to submit to the Prefecture for approval to address congestion in the 2770m Liautaud tunnel in Nice. This must be conducted in accordance with Section 4 of the Safety File Guide, and specifically the "Specific Risk Study" (ESD) information document. Currently, the size (authorized gauge 2.30 m) and geographic location at the hypocentre of the project prevent any congestion within the Liautaud tunnel, significantly complicating traffic flow within our municipality. Click here for bid documents and where tenders must be sent. Value of contract EUR 32,000, excluding VAT. Duration of the contract is 6 months. Contact Metropole Nice Cote d'Azur, Nice, tel +33 48981817, email marches_exploitationterritoires@nicecotedazur.org. Visit https://ted.europa.eu/en/notice/-/detail/712746-2025. Ref.n. 25N0518. 44/25.

Open invitation to tender, deadline 13/11/2025, for the site supervision (BÜ) and site management (BOL) services for Lots 1 - Traffic Control and 2 - Construction during the Schmuecke tunnel (1.720 m, 1.729 m) rehabilitation/repair works on motorway A71. For bid documents click here, where tenders must be sent. Value of contract EUR 292,417, excluding VAT. Duration of contract from 02/02/2026 to 30/04/2028. Contact Die Autobahn GmbH des Bundes - NL Ost, Halle (Saale), +49 345 94099504, email Vergabe.ost@autobahn.de. Visit https://ted.europa.eu/en/notice/-/detail/713731-2025 and https://ted.europa.eu/en/notice/-/detail/625232-2025. Ref.n. A1104400111. 44/25.

Open invitation to tender, deadline 13/11/2025, for alignment and civil engineering structures North, section Lungern North - Giswil South (Lot 21) on the N8.  The contract includes the services for closing the gap between the Griffeldossen/Buochholz area (Lot 20) and the Kaiserstuhl Tunnel (Lot 19) in addition to the horizontal road markings of the Kaiserstuhl tunnel (Lot 19).For further information on tender documents please click here. The duration of the contract is from  01/04/2026 to 29/06/2029.  Contact Obwalden Department of Construction and Spatial Development, Civil Engineering Office, Kerns, tel +41416666288, email tba@ow.ch. Visit https://ted.europa.eu/en/notice/-/detail/598570-2025. 40/25. 

Postponed to 17/11/25 the deadline of the open invitation to tender for consultancy and supervision services for the design and rehabilitation works for the Craiova-Drobeta Turnu Severin-Caransebeș railway, part of the Orient/East-Mediterranean Corridor, Lot 6 Cap X Po Nou Poarta - Caransebes, km 436 +887- km 474+046,53.  The lot 6 includes the 2 new cut&cover tunnels Poarta II (550 m) and Poarta III (305 m) and the refurbishment of the Fenes (271 m) and Tampa (268 m) tunnels. Click here for tender documents and where tenders must be sent. Value of contract EUR4.58 million (RON23.27 million), excluding VAT. Duration of contract 195 months. Contact Compania Nationala de Cai Ferate CFR SA, att.ne Iulia Staicu, Bucarest, tel +40 372843221, fax +40 213192401, email iulia.staicu@cfr.ro. Visit https://ted.europa.eu/en/notice/-/detail/711306-2025. Ref.n. 17/2/1826/31.07.2025. 44/25.

Postponed to 20/11/2025 the deadline of the open invitation to tender for supervision services the design and construction of the Brașov-Targu Mureș-Cluj-Oradea motorway, section 3B: Mihaiești-Suplacu de Barcau, subsection 3B3: Porta Salajului-Zalau, km 25 + 500-km 40 + 637, including the 2.89km twin-tube tunnel Meseș and subsection 3B4: Zalau-Nusfalau km 40 + 660 (km 40 + 637 3B3) -km 66 + 500. Click here for bid documents and where tenders must be sent. The value of the contract is EUR 24.45 million (RON124.41 million), excluding VAT. Duration of the contract is 202 months. Contact CNAIR (Compania Naționala de Administrare a Infrastructurii Rutiere), attn Nicolae Horia, Bucarest, tel +40 212643299, fax +40 212643298, email horia.nicolae@andnet.ro . Visit https://ted.europa.eu/en/notice/-/detail/713379-2025. Ref n. 16054368/2025/2473/S/13.44/25.

Negotiated procedure with prior publication of a call for competition, deadline 21/11/2025, for the U5/4 Arne-Karlsson-Park section construction works of Vienna metro line U5. Click here for bid/tender documents and where tenders must be sent. Estimated date of dispatch of the invitations to submit tenders: 13/04/2026. Value of contract EUR 182 million, excluding VAT. Duration of contract from 21/02/2028 to 31/12/2033. Contact Wiener Linien GmbH & Co KG, Vienna, tel +43 664 9686898, email giuseppe.marangoni@wienerlinien.at. Visit https://ted.europa.eu/en/notice/-/detail/684912-2025. Ref.n. 2025-003028. 43/25.

Negotiated procedure with prior publication of a call for competition, deadline 21/11/2025, for the construction works (tunnels included) on sections U5/5B, U5/6, U5/7 and U5/8 of Vienna metro line U5. Click here for bid/tender documents and where tenders must be sent. Estimated date of dispatch of the invitations to submit tenders: 13/04/2026. Value of contract EUR572 million, excluding VAT. Duration of contract from 21/02/2028 to 31/12/2033. Contact Wiener Linien GmbH & Co KG, Vienna, tel +43 664 9686898, email giuseppe.marangoni@wienerlinien.at. Visit https://ted.europa.eu/en/notice/-/detail/683798-2025. Ref.n. 2025-003029. 43/25.

Open invitation to tender, deadline 21/11/2025, for the safety reinforcement of the intermediate ventilation slab of the MontSagne (1355 m) and Vue des Alpes (3250 m) tunnels between Chaux-de-Fonds and Neuchâtel (Lot 2 Civil Works) on the N20.For bid documents, please click here. The duration of the contract is from 15/02/2026 to 31/12/2027. Contact Ofrou, Estavayer-le-Lac, tel +41 58 461 87 11, email marchespublics.estavayer@astra.admin.ch. Visit https://ted.europa.eu/en/notice/-/detail/647551-2025. Ref.n. N20.72 MP-200061. 40/25.

Open invitation to tender, deadline 27/11/2025, for Signalling Systems (Lot BSA 041), section Lungern North - Giswil South, on the N8. For further information on tender documents please click here. The duration of the contract is from 13/04/2026 to 31/12/2029. Contact Obwalden Department of Construction and Spatial Development, Civil Engineering Office, Kerns, tel +41416666288, email tba@ow.ch. Visit https://ted.europa.eu/en/notice/-/detail/648590-2025. 41/25.

Open invitation to tender, deadline 27/11/2025, for main inspection services in Adif’s high speed railway tunnels. The contract is composed of 2 lots. Click here for bid documents and where tenders must be sent. Value of contract EUR3.5 million, excluding VAT. Duration of contract 48 months. Contact Adif, Madrid, tel +34 913006638, email comprascontratacion@adif.es.  Visit https://ted.europa.eu/en/notice/-/detail/685046-2025. Ref.n. 2.25/21520.0113. 43/25.

Open invitation to tender, deadline 09/12/2025, for civil engineering works in the Mappo-Morettina tunnel (5518 m) on the N13, aimed at increasing the operational safety of the tunnel and involving the construction of eight new escape routes, the renovation of ventilation ducts and other minor works (Lot 101). For tender documents please click here. Duration of the contract is from 01/08/2026 to 31/12/2028. Contact Ofrou, Bellinzona, tel +41 58 469 68 11, email acquistipubblici@astra.admin.ch. Visit https://ted.europa.eu/en/notice/-/detail/651768-2025. Ref. n. MP-190102. 41/25.