Road works and traffic restrictions
The Mont Blanc tunnel is open 24 hours a day all year long.
To allow maintenance work, traffic will be set with a contraflow from 10.30 pm to 6.00 am, during the following nights :
. May 27th through 30th . June 4th through 6th . June 11th through 13th . June 17th through 20th . June 24th through 27th
as follows : Possible inconvenience from 9 p.m. to 10 p.m. and from 6 a.m. to 7 a.m. due to the transit of any vehicles under escort.
Traffic will be closed to all vehicules :
- On Monday 3rd June 2013, from 10.00 p.m to to 6 a.m to allow safety exercise. - On Monday 10th June 2013, from 10.00 p.m to to 6 a.m to allow maintenance work.