Open invitation to tender, deadline 05/05/2025, for the maintenance of tunnel systems and equipment on state roads. Click here for bid documents and where tenders must be sent. Duration of the contract is 12 months. Contact Public Enterprise for State Roads, attn Zaklina S. Bogdanovska, Skopje, tel +389 23118044, fax +389 2 3220535, email zaklinab@roads.org.mk. Visit https://ted.europa.eu/en/notice/-/detail/209147-2025. 15/25. 

Open invitation to tender, deadline 06/05/2025, for Construction Supervision and Geotechnical Consulting  in the Construction Phases 3 and 4 of the Riederwald Tunnel (1095m, 1025m) on the Federal Motorway A66 (Frankfurt/Main - Hanau). For tender documents click here, where tenders must be sent. Duration of the contract will be 52 months. Contact Autobahn GmbH des Bundes - NL West, Montabaur, email vergabe.west@autobahn.de.  Visit https://ted.europa.eu/e/notice/-/detail/188541-2025,. 13/25. 

Open invitation to tender, deadline 07/05/2025, for the new construction of an emergency exit E56 at the end of the U5 subway line tunnel in Berlin Main Station. Click here for tender documents and submission of tenders. Contract duration from 01/07/2025 to 25/09/2026. Contact Berliner Verkehrsbetriebe, Berlin, tel +493025628962, email Einkauf.fem4@bvg.de. Visit https://ted.europa.eu/en/notice/-/detail/226155-2025. Ref. n. FEM4-0173-2025. 16/25. 

Open invitation to tender, deadline 08/05/2025, for the reinforcement works on 140 m of the existing south tube of the Mils/Milser tunnel (1,915 m, 1,915 m) on the A12 motorway. Click here for bid documents and where tenders must be sent. The duration of the contract is from 04/07/2025 to 05/12/2025. Contact Asfinag AG, attn Philipp Oettl, Vienna, tel +43 5010814279, email philipp.oettl@asfinag.at. Visit https://ted.europa.eu/en/notice/-/detail/232083-2025, GU S 071. Ref.n. 134994. 17/25. 

Competitive procedure with negotiation, deadline 09/05/2025, for the design of the new S-Bahn line 6 in Hamburg West. The underground route will be 9 km long from the current S-Bahn station Holstenstrasse to the Osdorfer Born terminus with 5 new stations. The contract consists of two lots. Click here  for bid documents and where tenders must be sent. Estimated date of dispatch of the invitations to submit tenders: 27/05/2025. Duration of contract from 13/10/2025 to 20/04/2029. Contact DB InfraGO, Frankfurt Main, tel +49 4039188032, fax+49 6926521083, email Maria.Preuss@deutschebahn.com. Visit https://ted.europa.eu/en/notice/-/detail/234673-2025 and https://ted.europa.eu/en/notice/-/detail/195381-2025. Ref.n. 24FEI77473. 17/25. 

Open invitation to tender, deadline 09/05/2025, for the management of waste material, in view of the construction of sections 6 (E021) and 5 (E023) of the new A98 Hochrhein motorway, connecting the A5 in the west with the A81 in the east and representing an important west-east axis on the border with Switzerland. Click here for bid documents and where tenders must be sent. Duration of the contract will be 31 months. Contact DEGES Deutsche Einheit Fernstrassenplanungs- und -bau GmbH, Berlin, tel +49 30-20243-0, fax +49 30-20243-791, email vergabe@deges.de. Visit https://ted.europa.eu/en/notice/-/detail/229697-2025 and https://ted.europa.eu/en/notice/-/detail/224223-2025. Ref.n. AE02350302. 16/25. 

Postponed to 09/05/2025 the deadline of the open invitation to tender for the technical design, the executive design and the construction of the S6 Western road bypass of Szczecin - Section 3 Police - Goleniow (from km 27+403 to km 50+810.20), including a bi-tube tunnel. Click here for bid documents and where tenders must be sent. Contact GDDKiA (Generalna Dyrekcja Drog Krajowych i Autostrad), attn Iwona Gabska, Szczecin, tel +48 914325320, email igabska@gddkia.gov.pl. Visit https://ted.europa.eu/en/notice/-/detail/202427-2025. Ref.n. OSz.D-3.2410.11.2024. 14/25 

Open invitation to tender, deadline 09/05/2025, for specialist services in geology, geotechnics and hydrogeology, for the studies and construction of the northern bypass of Twann/Douanne: a new 1925 m tunnel connecting and extending the existing Gleresse tunnel (Ligerz tunnel) on the current N05, between Twann/Douanne and Wingreis, where a new partial junction is planned. Click here for bid documents.Duraiton of contract from 01/09/2025 to 31/12/2038. 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/186280-2025. Ref. n. N05.72 MP-080012. 13/25. 

Open invitation to tender, deadline 13/05/2025, for the migration of the fire alarm system in the Ortsteil Britz tunnel (1713 m) on A100. Click here for bid documents and where tenders must be sent. Contact Die Autobahn GmbH des Bundes, tel +49 33035800, email vergabe.nordost@autobahn.de. Visit https://ted.europa.eu/en/notice/-/detail/229855-2025. Ref.n. NOO-2025-0113.

Open invitation to tender, deadline 14/05/2025, for implementation of the virtualisation of energy distribution, lighting and ventilation controls, as well as the supply and installation of re-lamping equipment in the (1,345 m, 1,345 m) Glion tunnel on the N09. Click here for bid documents and where tenders must be sent. Duration of contract is from 15/08/2025 to 15/12/2026. Contact Ofrou, Estavayer-le-Lac, tel +41584618711, email marchespublics.estavayer@astra.admin.ch. Visit  https://ted.europa.eu/en/notice/-/detail/154217-2025. Ref.n. N09.52 MP-210021. 11/25. 

Open invitation to tender, deadline 14/05/2025, for supervision during the construction of C1 Limanowa -Tymbark section on the railway line n. 104 and of section H Szczyrzyc - Tymbark on railway line n. 622, part of including the new railway line n.622 Podleze - Szczyrzyc - Tymbark/Mszana Dolna and also modernization of the existing railway line n. 104 Chabowka - Nowy Sacz - Stage II. Click here for bid/tender documents and where tenders must be sent. Duration of contract 57 months. Contact PKP Polskie Linie Kolejowe SA, attn Justyna Leczkowska, Warsaw, tel +48 224733029, fax +48 224732399, email justyna.leczkowska@plk-sa.pl. Visit https://ted.europa.eu/en/notice/-/detail/226736-2025 and https://www.podleze-piekielko.pl. Ref.n. 9090/IRZU/01587/01276/25/P. 16/25. 

Open invitation to tender, deadline 16/05/2025, for the renewal of the ventilation SISTO equipment in the Mappo-Morettina tunnel (5518 m) on the N13. For tender documents please click here. Duration of the contract is from  28/08/2025 to 14/01/2030. Contact Ofrou, Bellinzona,  tel  +41 58 469 68 11, email  acquistipubblici@astra.admin.ch. Visit https://ted.europa.eu/it/notice/-/detail/203345-2025. Ref. n. MP-190102. 14/25. 

Open invitation to tender, deadline 16/05/2025, for the upgrading of the Pallotta tunnel  (2.5 km) on RA06 Bttolle-Perugia. Click here for bid documents and where tenders must be sent. Value of contract EUR39.99 million, excluding VAT. Duration of contract 600 days. Contact Anas Spa, Rome, tel + 39 06 44461, email appalti.lavori@postacert.stradeanas.it. Visit https://ted.europa.eu/en/notice/-/detail/197155-2025. Ref.n. PG 03/25. 14/25. 

Open invitation to tender, deadline 22/05/2025, for the renovation of the first tube of the A11 Karawanken tunnel, including the portal area and open-air section (Lot 8422). Click here for bid documents and where tenders must be sent. Duration of the contract is from 02/03/2026 al 29/04/2029. Contact ASFINAG, Vienna, tel +43 5010810000, email office@asfinag.at. Visit https://ted.europa.eu/en/notice/-/detail/218757-2025. Ref. Provia n. 127197. 15/25. 

Open invitation to tender, deadline 23/05/2025, for the extraordinary maintenance of the extraction hoods and the fire protection of the BSA equipment of the fresh air duct in the Mappo-Morettina tunnel (5518 m) on the N13.For tender documents please click here. Duration of the contract is from 02/09/2025 to 14/01/2030. Contact Ofrou, Bellinzona, tel +41 58 469 68 11, email acquistipubblici@astra.admin.ch. Visit https://ted.europa.eu/it/notice/-/detail/220194-2025. Ref. n. MP-190102. 15/25. 

Open invitation to tender, deadline 26/05/2025, for the modernization of the 16.6 km Nemanice I - Sevetin section, the last southern section of the 4th transit railway corridor, connecting the state border with Germany near Decin with Prague and Ceske Budejovice and continues onwards to Linz. The aim of the project is to double-track the Nemanice I - Sevetin section, increase its capacity and also line speed, up to 200 km/h. 

The section will include two new tunnels: Hosinsky/Hosin (3,120 m) and Chotycansky/ Chotycany (4,810 m) that will become the longest tunnel on the Czech railway network. Click here for bid documents and where tenders must be sent. Maximum contract value EUR854.81 million (CZK21.34 bn), excluding VAT. Contact Sprava Zeleznic, attn Kateřina Jungová, Prague, tel +420 720071563, email jungovak@spravazeleznic.cz. Visit https://ted.europa.eu/en/notice/-/detail/202076-2025. Ref.n. 5520/2025-SŽ-SSZ-OVZ. 14/25. 

Open invitation to tender, deadline 26/05/205, for the management and maintenance of tunnels, with functional responsibility for some of them, on national roads and national highways. Click here for bid documents and where tenders must be sent. Duration of contract from 01/09/2025 to 31/08/2030.A tender conference will be held 06.05.2025, 12:00, meet at Innspurten 11C, Oslo. Contact Norwegian Public Roads Administration, attn Marianne Rogne, Moss, tel +47 41564215, email marianne.rogne@vegvesen.no. Visit https://ted.europa.eu/en/notice/-/detail/227862-2025. Ref. n. 24/227947. 17/25. 

Competitive procedure with negotiation, deadline 28/04/2025, for the design and construction of system works and the supply of rolling stock for the Rebaudengo–Politecnico section of Line 2 of the Turin metro. Click here for bid documents and where tenders must be sent. Value of the contract is EUR 500 million, excluding VAT.  Contact Extraordinary Commissioner for construction of Turin metro Line 2, attn Arch. Fabio Bolognesi, Turin, tel +39 11 5592711, email infrato@infrato.it.

Open invitation to tender, deadline 06/05/2025, for backup power supplies (UPS) / road tunnel – for The Icelandic Road and Coastal Administration (IRCA) 2025. Click here for bid documents and here where tenders must be sent. Contact Vegagerdin, attn Gisli Gislason, Gardabaer, tel +354 5221072, email gigi@vegagerdin.is. Visit https://ted.europa.eu/en/notice/-/detail/203742-2025.Ref.n. 25-035. 15/25 

Open invitation to tender, deadline 16/06/2025, for the construction of the 7.9km Valle del Genil section, part of the 19 km Loja Bypass on the Antequera–Granada high-speed line. The Valle del Genil section includes the Cerro de los Limones tunnel (1,295 m), the longest in the Loja Bypass, and two viaducts measuring 794 m and 693 m. The Loja Bypass will reduce travel times on rail connections to Granada, thanks to a new double-track and high-speed alignment. Click here for bid documents and here where tenders must be sent. Value of contract EUR 281.91 million, excluding VAT. Duration of contract 36 months. Contact Adif AltaVelocidad, Madrid, tel +34 917744804, emailcomprascontratacion@adif.es. Visit https://ted.europa.eu/en/notice/-/detail/239218-2025 and https://www.adifaltavelocidad.es. Ref.n. 3.25/20830.0030. 16/25. 

Competitive procedure with negotiation, deadline 17/06/2025, for project management assistance on economic, socio-economic, and financial matters related to the cross-border section of the new Lyon–Turin railway link. Click here for bid documents and where tenders must be sent. Value of contract EUR 1.81 million, excluding VAT. Duration of contract 84 months. Contact Contattare Tunnel Euralpin Lyon Turin Sas, Chambery, tel +33 479685650, email fonction.contrats@telt-sas.com. Visit https://ted.europa.eu/en/notice/-/detail/246340-2025. Ref. n. S73. 16/25. 

Competitive procedure with negotiation, deadline 17/06/2025, for project management assistance on economic, socio-economic, and financial matters related to the cross-border section of the new Lyon–Turin railway link. Click here for bid documents and where tenders must be sent. Value of contract EUR 1.81 million, excluding VAT. Duration of contract 84 months. Contact Contattare Tunnel Euralpin Lyon Turin Sas, Chambery, tel +33 479685650, email fonction.contrats@telt-sas.com. Visit https://ted.europa.eu/en/notice/-/detail/246340-2025. Ref. n. S73. 16/25. 

Competitive procedure with negotiation, deadline 19/06/2025, for operational management assistance (ACO), for technical assistance (AMOT) for the design and construction phases of the equipment and for support during the commissioning of the cross-border section of the new Turin–Lyon railway line(virtual infrastructure management service - GIV). The tender is composed of 3 lots. Click here for bid documents and where tenders must be sent. Value of contractEUR62 million, excluding VAT. Duration of contract 96 months. Contact Contattare Tunnel Euralpin Lyon Turin Sas, Chambery, tel +33 479685650, email fonction.contrats@telt-sas.com. Visit https://ted.europa.eu/en/notice/-/detail/244682-2025. Ref. n. S65. 16/25. 

Competitive procedure with negotiation, deadline 19/06/2025, for operational management assistance (ACO), for technical assistance (AMOT) for the design and construction phases of the equipment and for support during the commissioning of the cross-border section of the new Turin–Lyon railway line(virtual infrastructure management service - GIV). The tender is composed of 3 lots. Click here for bid documents and where tenders must be sent. Value of contractEUR62 million, excluding VAT. Duration of contract 96 months. Contact Contattare Tunnel Euralpin Lyon Turin Sas, Chambery, tel +33 479685650, email fonction.contrats@telt-sas.com. Visit https://ted.europa.eu/en/notice/-/detail/244682-2025. Ref. n. S65. 16/25. 

Open invitation to tender, deadline 27/06/2025, for the construction of the Aretes road tunnel (1154 m) on the H18, the East  La Chaux-de-Fonds bypass (Lot 300.1). For the bid documents, please click here. Duration of contract from 02/02/2026 to 31/12/2031. Contact Service des ponts et chaussees, Neuchatel 2, tel +41328896710, email Service.PontsChaussees@ne.ch. Visit https://ted.europa.eu/en/notice/-/detail/188607-2025. 13/25. 

International tender, deadline 28/07/2025, for the construction, operation, conservation, maintenance, and execution of the necessary investments for the operation of the Santos-Guaruja submerged tunnel interconnection System. The excavated tunnel between cities of Santos and Guaruja, on the coast of São Paulo, will be 2,900 m long with 1,700 m under the channel of the port of Santos. Interested parties may submit requests for clarification until 09/07/2025, email tunelimerso@sp.gov.br. Click here for bid documents. Value of contract EUR841.72 million (BRL5.78 bn). Contact  Secretariat of Investment Partnerships, State of São Paulo, email tunelimerso@sp.gov.br. Visit https://www.parceriaseminvestimentos.sp.gov.br/projeto-qualificado/tunel-submerso-santos-guaruja/. Ref.n. 01/2025.16/25. 

International tender, deadline 28/07/2025, for the construction, operation, conservation, maintenance, and execution of the necessary investments for the operation of the Santos-Guaruja submerged tunnel interconnection System. The excavated tunnel between cities of Santos and Guaruja, on the coast of São Paulo, will be 2,900 m long with 1,700 m under the channel of the port of Santos. Interested parties may submit requests for clarification until 09/07/2025, email tunelimerso@sp.gov.br. Click here for bid documents. Value of contract EUR841.72 million (BRL5.78 bn). Contact  Secretariat of Investment Partnerships, State of São Paulo, email tunelimerso@sp.gov.br. Visit https://www.parceriaseminvestimentos.sp.gov.br/projeto-qualificado/tunel-submerso-santos-guaruja/. Ref.n. 01/2025.16/25.