Open invitation to tender, deadline 03/11/2020, for the construction of the Riederwald tunnel (1095 m, 1025 m) on the connection between the A66 motorway and the Frankfurt ring road A661. Duration of the contract is from 01/01/2021 to 31/08/2025. For tender documents please click here and here. Contact Hessen Mobil - Strassen- und Verkehrsmanagement Zentrale, Wiesbaden, tel +49 611/366-3309, fax +49 611/366-3435, email miglena.brehl@mobil.hessen.de. Ref.n. VG-0459-2020-0064. 41/20.