From April to June, and from the beginning of September to mid-December 2024, the Mont Blanc Tunnel is going on with two major projects: the road deck’s renovation works and the complete reconstruction of two portions of the tunnel vault of 300 metres each. These activities require:- 12 midweek night closures lasting 10 hours and 30 minutes each (from 7.30 p.m. to 6.00 a.m.);- 20 midweek night closures lasting 12 hours and 30 minutes each (from 7.00 p.m. to 7.30 a.m.);- 1 extended closure of 30 hours and 30 minutes, starting at 11.30 p.m. on 19 June 2024;- 1 TOTAL CLOSURE OF 15 CONSECUTIVE WEEKS, from Monday 2 Sept. at 5 p.m. to Monday 16 Dec. 2024 at 5 p.m.