Postponed from 16/05/2023 to 22/06/2023 the deadline of the open invitation to tender for the upgrading of power, wiring, lighting, ventilation, traffic, safety, control and operations center systems in the Eichelberg tunnel (2 x 1.1 km) on motorway A71. For tender documents click here, where tenders must be sent. Duration of the contract is from 15/08/2023 to 31/12/2025. Value of the contract will be EUR15.06 million, excluding VAT. Contact Autobahn GmbH des Bundes, Halle (Saale), tel +49 34594099551, email Vergabe.ost@autobahn.de. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=264165-2023. Ref.n. A1105400706. 18/23.