Open invitation to tender, deadline 11/01/2021, for the floor upgrading of the N1 St. Gallen-Winkelnand St. Gallen-Neudorf section, including the four tunnels Rosenberg (1448 m), Stephanshorn (574 m), Schoren (1066 m), St. Fiden and 8 tunnel control centers (Lot BSA 083). Duration of the contract is from 01/04/2021 to 31/12/2027. For further information on the tender click here and here. Contact Ofrou, Winterthour, email beschaffung.winterthur@astra.admin.ch. Ref.n. 070054. 47/20.
