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.
