Open invitation to tender, deadline 09/10/2025, for the road reconstruction and repair of the Altfranken (km 5,275 - km 5,620), Doelzschen (km 7,750 - km 8,820) and Coschütz (km 9,020 - km 11,400) tunnels on the A17 Dresden - Prague. Click here for tender documents and here where tender must be sent. Value of contract EUR247,900, excluding VAT. Duration of contract is from 01/01/2026 to 31/12/2031. Contact Autobahn GmbH des Bundes - NL Ost, Halle (Saale), tel +49 35121298789, email Vergabe.ost@autobahn.de. Visit https://ted.europa.eu/en/notice/-/detail/570465-2025. Ref.n. A1024200303. 36/25.

Open invitation to tender, deadline 09/10/2025, for the environmental engineering services (phases 31 to 33) for the preparation of the Preliminary Environmental Report (REP), the Environmental Impact Report (RIE), and the Detailed Development Plan procedure (PAP) for the new double-track line between Morges and Perroy, tunnel included. Click here for bid documents. Contact SBB CFF FFS , Renens, tel +41790000000, email laurent.peronnet@sbb.ch. Visit https://ted.europa.eu/en/notice/-/detail/570156-2025. 36/25.

Open invitation to tender, deadline 10/10/2025, for the hydrogeological monitoring of the construction works of the Bilbao Southern Railway Bypass, Phase 1. Click here for bid documents and here where tenders must be sent. Value of contract EUR 738,240.00 contract, excluding VAT. Duration of contract 60 months. Contact ETS - Euskal Trenbide Sarea, Bilbao, tel+34 946572600 , email kontratazioa@ets-rfv.eus. Visit https://ted.europa.eu/en/notice/-/detail/580493-2025. Ref.n. P20026842. 36/25.

Open invitation to tender, deadline 13/10/2025, for the maintenance project for the UPlaNS Bilten-Murg-Nafels section, which is expected to be carried out from 2032 onwards. The priorities of this maintenance project are the repair of the road surface and all engineering structures, as well as the complete renovation of the operating and safety equipment. The contract includes measures and implementation plan's study and development relating to route/environment, engineering structures and tunnels/geotechnics. Click here for bid/tender documents. Duration of the contract is from 01/01/2026 to 31/12/2029. Contact Ofrou, Winterthur, tel +41077999637, email beschaffung.winterthur@astra.admin.ch.

Visit https://ted.europa.eu/en/notice/-/detail/574561-2025. Ref.n. MP-080412. 36/25.

Open invitation to tender, deadline 21/10/2025, 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) (hereinafter referred to as "VZO") and the VZW fan at the western portal (west station) (hereinafter 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 https://ted.europa.eu/en/notice/-/detail/606223-2025. Ref.n. 56/2025/10302. 38/25.

Postponed to 30/10/2025 the deadline of the open invitation to tender for supply and installation of guide bars on the tracks of Line 1 and Line 2 South of the Lille metro. For tender documents click here. The contract value is EUR1,86 million, excluding VAT. The contract duration will be 76 months. Contact Keolis Lille Ilevia, Marcq-en-Baroeul, tel +33 (0)615780297, email unite_procedure_marches@ilevia.keolis.com. Visit https://ted.europa.eu/en/notice/-/detail/624386-2025. Ref.n. DPI 25 225 PDS/VH. 39/25.

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.

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 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. 

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.