Open invitation to tender, deadline 14/04/2025, for the planning and tender preparation for the E&M equipment refurbishment in the Tanzenberg  (2523 m) tunnel on the S06 Semmering. Click here for tender documents. Duration of the contract from 02/06/2025 to 22/03/2030 Contact ASFINAG Baumanagement GmbH, att.ne Guenter Lingitz, Vienna, tel +43 6646010814592, email guenter.lingitz@asfinag.at. Visit https://ted.europa.eu/en/notice/-/detail/150320-2025. Ref. n. PROVIA n. 127587. 11/25. 

Open invitation to tender, deadline 14/04/2025, for support services during structural, track, and tunnel construction work of metro line U5, Phase 2 (from U5/4 to U5/8). The tender is composed 0f3 lots: 

Arne-Karlsson-Park (Lot1), building Michelbeuern (Lot2) and Michelbeuern -factory Hernals (Lot3).  

Click here for bid/tender documents and where tenders must be sent. Duration of contract from 02/06/2025 to  29/01/2027. Contact  Wiener Linien GmbH & Co KG, Vienna, tel +43 664 78392061, email michaela.schratt@wienerlinien.at. Visit https://ted.europa.eu/en/notice/-/detail/194872-2025 and https://ted.europa.eu/en/notice/-/detail/162689-2025. Ref.n. WL-B72-AL-01/25. 14/25. 

Open invitation to tender, deadline 14/04/2025, for studies relating to the civil engineering works required for the maintenance and refurbishment of the management and safety systems in the Onnens (600 m, 600 m), Concise (1340 m, 1365 m) and La Lance (420, 380 m) tunnels on the N05 between the Grandson and Vaumarcus junctions. The contract also includes studies and, depending on the results, the construction of 7 anti-recirculation walls - along the p.k.19,800-pk 31,000 section, for the adits of Sauges tunnel (1900 m, 1920 m), Chanelaz and Areuse cut&cover tunnels and for the west portal of the Gorgier tunnel (2754 m, 2754 m). 

 (1.9 km) and Gorgier (2,7 km), and the cut&cover Treytel (1.2 km) and Bevaix (1.7 km) Yverdon-les-Bains. For bid documents click here. Duration of the contract is from 01/07/2025 to 31/12/2030. Contact OFROU. Estavayer-le-Lac, tel +41584618711, email marchespublics.estavayer@astra.admin.ch. Visit https://ted.europa.eu/en/notice/-/detail/106500-2025. Ref.n. N05.60 MP-230028. 09/25. 

Postponed to 15/04/2025 the deadline of the open invitation to tender for the design and construction works of the section H Szczyrzyc - Tymbark on the railway line n. 622 as part of the new railway line Podłęże - Szczyrzyc - Tymbark/Mszana Dolna and also modernization of the existing railway line n. 104 Chabówka - Nowy Sącz - Stage II. The tracks between Szczyrzyc and Tymbark will pass through two tunnels 3.8 and 1 km long, railway bridges and viaducts. This part of the new railway connection in Małopolska will be ready in 2029. The estimated construction cost is over EUR 468.23 million (2 billion Polish Slots), which will be financed from budget funds. Click here for bid/tender documents and where tenders must be sent. Contact PKP Polskie Linie Kolejowe SA, Warsaw, tel +48 (22) 4732482, email agata.wieczorek@plk-sa.pl. Visit https://ted.europa.eu/en/notice/-/detail/201151-2025, https://ted.europa.eu/en/notice/-/detail/165432-2025, and https://ted.europa.eu/en/notice/-/detail/132875-2025. Ref.n. 9090/IRZR1/14771/03784/24/P. 14/25. 

Postponed to 17/04/2025 the deadline of the open invitation to tender for the general rehabilitation of the Pack tunnel chain, comprising of the Herzogberg (2007 m, 1956 m), Mitterberg (1142 m, 1134 m) and Kalcherkogel (1993 m, 1968 m) tunnels on the section km281,400 - km 231,700 of the A02 South motorway. Click here for bid documents and where tenders must be sent. Duration of the contract is from 01/09/2025 to 19/10/2029. Contact Asfinag  Bau Management GmbH, attn Michael Palzer, Vienna,  tel. +43 664 60108 14473, email michael.palzer@asfinag.at.  Visit https://ted.europa.eu/it/notice/-/detail/204248-2025. Ref.n. ProVia n.130073. 14/25. 

Competitive procedure with negotiation, deadline 21/04/2025, for inspection organization for the contracts within the Hallsberg–Degeron phase, including a major civil works contract for earthworks, bridges, and a tunnel, a contract concerning the BEST systems (Track, Power, Signaling, Telecommunications), and two contracts for railway switch installations. Click here for bid documents. Duration of the contract is from 01/09/2025 to 01/09/2026. Value of contract EUR 900,843.01 (SEK10 million), excluding VAT. Contact Trafikverket Myndighet, Borlange, attn Johan Sundin, tel +46 73-701 55 76, email johan.sundin@trafikverket.se. Visit https://ted.europa.eu/en/notice/-/detail/218768-2025, GU S 067. Rif.n. KOM-417554. 15/25. 

Open invitation to tender, deadline 22/04/25, for a consultant in fire, risk, safety and tunnel safety for the Norrbotnia/North Bothnia Line. Click here for bid documents and where tenders must be sent. Value of contract EUR 501,342.16 (SEK5.5 million), excluding VAT. Contact Trafikverket Myndighet, attn Sofia Sundstrom, Borlange, tel +46 070-090 20 38, email sofia.sundstrom@trafikverket.se. Visit https://ted.europa.eu/en/notice/-/detail/159788-2025. Ref.n. KOM-417428. 12/25 

Negotiated with prior publication of a call for competition, deadline 22/04/2025, for the renovation of the installations in the tunnel of the Munich S-Bahn main line (lines 5540/5550) between Munich-Hackerbrücke station and Munich Ostbahnhof station. Click here for bid documents and where tenders must be sent. Contact DB InfraGO AG, Frankfurt Main, tel +49 89130885031, fax +49 69260913730, email Michael.Mc.Behr@deutschebahn.com. Visit https://ted.europa.eu/en/notice/-/detail/187526-2025. Ref.n. 25FEI79005. 14/25. 

Invitation to tender by negotiated procedure, deadline for receipt of requests to participate 22/04/2025, for geological, geotechnical and hydrogeological survey services for the project of the doubling and electrification of the railway line between Ulm and Augsburg. The contract consists of 4 lots. Click here for bid documents and where tenders must be sent. Estimated date of dispatch of the invitations to submit tenders: 07/05/2025. Contract duration is from 24/07/2025 to 31/12/2026. Contact DB InfraGO AG , Frankfurt Main, tel +49 91121949595, fax 069 26091-3730, email Theresa.Hirsch@deutschebahn.com. Visit https://ted.europa.eu/en/notice/-/detail/187223-2025. Ref.n. 24FEI75967. 13/25. 

Postponed to 23/04/2025 the deadline of the open invitation to tender for the construction of the 1.9 km bi-tube Auerberg tunnel with 6 cross passages and with ancillary structures, on the B2 federal road connecting Munich with Starnberg, Weilheim, Murnau and Garmisch-Partenkirchen. For tender/bid documents please click here, where tenders must be sent. Duration of contract from 02/03/2026 to 03/07/2029. Contact Staatliche Bauamt Weilheim, Weilheim, tel +49 8819900, fax +49 8819901000,  email poststelle@stbawm.bayern.de. Visit https://ted.europa.eu/en/notice/-/detail/195528-2025. 14/25. 

Open invitation to tender, deadline 23/04/2025, for the repair of the subsidence of the 1910 m long, bi-tube Frodeas tunnel on the County Road Fv 300 in Tonsberg  municipality. Click here for bid documents and here where offers must be sent. Duration of contract from 01/06/2025 to 15/05/2026. Contact Vestfold fylkeskommune, attn Martin Fagervold, Tonsber, email martin.fagervold@vestfoldfylke.no. Visit https://ted.europa.eu/en/notice/-/detail/187967-2025. Ref.n. Anskaffelse-2025-23. 13/25. 

Postponed to 24/04/2025 the deadline of the open invitation to tender for the design and construction of the 27km Section 1, Targu Neamt (Motca) - Targu Frumos (km 0+000 – km 31+500) of motorway A8 Targu Neamt Iasi Ungheni, excluding section km 5+500-10+000 belonging to the motorway A7 Bacu-Pascani. Section 1 includes 4 cut&cover tunnels ( 380 m, 680 m, 400 m and 250 m long). Click here for bid documents and where tenders must be sent. Value of the contract is EUR 1.44 bn (RON7.18 million), excluding VAT. Duration of the contract will be 106 months. Contact Compania Nationala de Investitii Rutiere SA, Bucarest, tel +40374808585, email licitatii@cnir.ro. Visit https://ted.europa.eu/en/notice/-/detail/155815-2025. Ref.n. 101/3791/05.12.2024 poz.1. 11/25. 

Open invitation to tender, deadline 25/04/2025, for a construction site manager for  surveillance for the Zurich Western Bypass upgrading project (lot D-x-5-1). The contract includes local construction management for the monitoring systems (fire detectors, NTA, radio). The Zurich Western Bypass (N03/N04) was opened in stages in 2006 and 2009. The Federal Roads Office (FEDRO) plans to replace the operating and safety equipment (OSE). In addition, measures to reallocate the emergency lane are planned in accordance with the VM-CH roadmap. In addition, an HV-AD system and ramp control will help limit traffic jams. The work will also include measures to implement the Swiss Federal Energy Strategy. Click here for bid documents. Duration of contract from 01/04/2025 to 31/12/2034. Contact Ofrou, Winterthur, tel +41 58 4804711, email beschaffung.winterthur@astra.admin.ch. Visit https://ted.europa.eu/en/notice/-/detail/150327-2025. Ref.n. MP-210059. 11/25. 

Postponed to 25/04/2025 the deadline of the open invitation to tender for the replacement of shaft ventilation on the E39 Floyfjell tunnel. Click here for bid documents and where tenders must be sent.  Duration of the contract is 1 year. Contact the Norwegian Public Roads Administration, attn Tone Gunn Myhre, Moss,  tel +90 203259, email tone.gunn.myhre@vegvesen.no. Visit https://ted.europa.eu/en/notice/-/detail/147128-2025. Ref.n. 23/45164. 11/25. 

Open invitation to tender, deadline 25/04/2025, for the maintenance of devices in the tunnel under the Martwa Wisła River in Gdansk. Click here for bid documents and here where tenders must be sent. Duration of contract 24 months. Contact Gdanski Zarząd Drog i Zieleni, Gdansk, tel +48 (58) 52446625, email gzdiz-przetargi@gdansk.gda.pl. Visit https://ted.europa.eu/en/notice/-/detail/189288-2025. Ref.n. 16/B/IN/2025. 13/25. 

Negotiated procedure with prior call for competition, deadline 28/04/2025, for Environmental Supervision during construction of U5 East in Hamburg. Click here for tender documents and here where tenders must be sent. Estimated date of dispatch of the invitations to submit tenders: 12/05/2025. Duration of contract from 01/09/2025 to 31/12/2030. Contact Hamburger Hochbahn AG, Hamburg, tel +49 403288-0, fax +49 403288-812054, email einkaufu5@hochbahn.de. Visit https://ted.europa.eu/en/notice/-/detail/206281-2025. Ref.n. 277568-2. 14/25. 

Open invitation to tender, deadline 28/04/2025, for delivery and maintenance of HV/LV equipment in the tunnels operated by Aix Marseille Provence. Click here for bid documents and here where tenders must be sent. Value of the contract is EUR1.06 million, excluding VAT. Duration of the contract is 1 year. Contact Metropole Aix-Marseille Provence, Marseille, tel +33 491999900, email commande-publique.entreprises@ampmetropole.fr. Visit https://ted.europa.eu/en/notice/-/detail/203449-2025. Ref.n. 73250091. 15/25. 

Open invitation to tender, deadline 28/04/2025, for the supply of equipment in the northern section of the escape tunnel of the Schmitten tunnel on the B311 Pinzgauer Strasse. For tender documents please click here where tenders must be sent. The duration of the contract is 12 months. Contact Land Salzburg, Salzburg, tel +43 662 8042 4711, fax +43 66280424160, email landesbaudirektion@salzburg.gv.at. Visit https://ted.europa.eu/en/notice/-/detail/198831-2025. Ref.n. 20606-TU_PRO/3/296-2025. 14/25. 

Invitation to tender using negotiated procedure, deadline 30/04/2025, for construction of a battery storage system at the Gloggnitz portal of the Semmering Base tunnel. The system will ensure railway operations in the event of a blackout. Click here for bid documents and where tenders must be sent.Contract duration from 01/10/2025 al 31/12/2028. Contact Oebb-Infrastruktur AG,  attn Peter Csoengei , Vienna, tel +43(0)6649603380, email peter.csoengei@oebb.at. Visit https://ted.europa.eu/en/notice/-/detail/160145-2025. Rif.n. 132978. 12/25. 

Open invitation to tender, deadline 30/04/2025, for consultancy services as Independent Engineer during Operation and Maintenance of the 6.412 m Sonamarg single tube bidirectional tunnel including approaches on 11.98km Srinagar Sonamarg section connecting National Highway n. 1 in the UT of JK on DBFOT annuity basis. Contact NHIDCL, New Delhi, tel +91-11-26768908, email gm8@nhidcl.com. Visit https://eprocure.gov.in/. Ref. n. 2025_NHIDC_855214_1. 15/25. 

Open invitation to tender, deadline 02/05/2025, for the mobile height control of approaching vehicles at the Rendsburg road tunnel/NOK (Nord-Ostsee-Kanal), 740 m long, located beneath the Kiel Canal. Click here for bid documents, where tenders must be sent. Duration of contract from 01/07/2025  to 31/01/2026. Contact Schleswig-Holstein, Kiel, tel +49 4315991940, email e-vergabe-beschaffung@gmsh.de. Visit https://ted.europa.eu/en/notice/-/detail/208569-2025. Ref. n. ZV-M1-25-0366000-412 .07. 15/25. 

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. 

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 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 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. 

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 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.