Open invitation to tender, deadline 28/10/2022, for the securing and upgrading of the safety and operational equipment in the 1100 m Clusette road tunnel on the H10 (Lot 1.2). Contract duration is from 01/02/2023 to 30/06/2026. For more information click here (French). Contact Service des ponts et chaussees - Office des routes cantonales, Neuchatel, email Office.ConstructionsAmenagements@ne.ch. Visit http://ted.europa.eu/udl?request=Seek-Deliver&language=en&docid=488762-2022. Ref.n. I-RC.010.0010.01.04. 37/22.