Pilot drives for twin-tube 4.8 km Branisko and 2.185 km Ovoiarsko road tunnels under way, and site investigation in progress for 7.4 km Visonovo Martin tunnel, longest in country. May 1998.  On D1 highway from Bratislava to Jilina in north central region, first of two 4.8 km tubes has been completed and concrete lining is in progress using formworks. Four Atlas Copco Boomer 352s were employed in south tube, two in top headings and two on benches, for a full arched section of 96 sq m in granite with primary support of bolts and shotcrete. Original pilot drive retained for use as emergency escape route until north tube is driven, possibly in 2010. The 20-year plan for Slovakia shows a demand for 21 tunnels with a total length of 42.3 km. December 1999.

Open invitation to tender, deadline 07/02/2020, for the upgrading of fixed firefighting equipment in the 4,975 m Branisko tunnel  on D1 highway from Beharovce to Fricovc. For tender documents please click here  where tenders have to be sent. Value of the contract is EUR1,545,000, excluding VAT. Duration of the contract 24 months. Contact Narodna dialnicna spolocnost AS, attn Andrea Szollosyova, Bratislava, tel +421 258311763, email andrea.szollosyova@ndsas.sk.  For further tender information please click here and here. Ref.n. 60302/2019/11.  05/20.

Deltech AS from  Liptovsky Mikulas secured the EUR3.75 million contract,

excluding VAT, for the upgrading of Closed-circuit television equipment in

the 4,975 m Branisko tunnel  on D1 highway from Beharovce to Fricovc.

Contact Narodna dialnicna spolocnost AS, attn Eng, Karol Bartalos,

Bratislava, tel +421 258311730, email karol.bartalos@ndsas.sk.  For tender information please click here . f.n. 60303/2015/58.  09/20.

Open invitation to tender, deadline 14/03/2025, for maintenance, technical inspections and repair of the Branisko (4975 m) and Sibenik (588 m) tunnels and of technological equipment 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 EUR 15.01 million, excluding VAT. Duration of the contract will be 4 years. Contact Narodna dialnicna spolocnost AS, attn Ing Katarina Andrascikova, Bratislava, tel +421258311580, email katarina.andrascikova@ndsas.sk. Visit https://ted.europa.eu/en/notice/-/detail/ 98295-2025. Ref.n. 23/10301/2024. 08/25.

ACP AuComp, s.r.o. from Bratislava have secured the EUR 9.30 million contract, excluding VAT, for maintenance, technical inspections and repair of the Branisko (4975 m) and Sibenik (588 m) tunnels and of technological equipment on the Janovce Svinia section of the D1 motorway. Contact Narodna dialnicna spolocnost AS, Bratislava, tel +421258311042, email barbora.lajkova@ndsas.sk. Visit https://ted.europa.eu/en/notice/-/detail/607108-2025. Ref.n. 23/10301/2024. 38/25.

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 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.