The Tunnel du Chat is open to traffic since the 18 November and the safety gallery can be cross by cyclists and pedestrians.
Last work : large sidewalks, new lightning system with LED, a light coating to improve visibility, new ventilation system, safety niche on every 100m with fire extinguisher and emergency telephone, emergency exists on every 300m related to the safety gallery.
The work was led by the Departement of Savoie and cost 46M euros on 3 years. (57M with study and preliminary work).
On 2018, finishing touches are done : artistic fresco all along the safety gallery and a system of automatic license plate reader.