Key information:
- The longest closures are scheduled for the nights of September 7–8 and September 8–9, from 10 p.m. to 6 a.m.
- On most other dates, the tunnel will close for 45 minutes, usually early in the morning or late in the evening.
- Now that the second tunnel is in service, regular maintenance will no longer require alternating one-way traffic.
- These brief full closures will allow workers to install and remove components connected with the ongoing work.
SITAF has published the schedule of traffic disruptions for the whole of September. The changes will mainly affect overnight traffic, so carriers running between Italy and France should factor them into their journey and rest planning.
The opening of the second tunnel has also changed how traffic is managed during routine maintenance. Instead of alternating one-way traffic, the crossing will undergo short, complete closures whenever equipment needs to be installed or removed at the worksite.
Early September brings two eight-hour overnight closures
From September 1 to 4, the tunnel will close twice a day: from 4:30 to 5:15 a.m. and from 10:30 to 11:15 p.m.
On September 5, traffic will be stopped from 4:30 to 5:15 a.m.
The most serious disruption comes a few days later. The tunnel will close at 10 p.m. on September 7 and reopen at 6 a.m. on September 8. An identical eight-hour closure is scheduled from 10 p.m. on September 8 until 6 a.m. on September 9.
A further closure is planned for September 9, from 10:30 to 11:15 p.m.
On September 10 and 11, traffic will be suspended from 4:30 to 5:15 a.m. and from 10:30 to 11:15 p.m. On September 12, the tunnel will close from 4:30 to 5:15 a.m.
More closures scheduled for September 14–19
On September 14, the tunnel will be closed from 10:30 to 11:15 p.m.
Two stoppages are planned for September 15: from 4:30 to 5:15 a.m. and from 9:30 to 10:15 p.m.
On September 16 and 17, traffic will be halted from 5:30 to 6:15 a.m. and from 9:30 to 10:15 p.m. At other times, the tunnel will remain open in both directions between 10:15 p.m. and 5:30 a.m.
On September 18, the crossing will close from 5:30 to 6:15 a.m. and from 10:30 to 11:15 p.m.
An unusual afternoon closure is scheduled for September 19, from 4:30 to 5:15 p.m.
Maintenance interruptions continue late in the month
On September 21, the tunnel will be closed from 10:30 to 11:15 p.m.
From September 22 to 25, two daily stoppages are planned: from 4:30 to 5:15 a.m. and from 10:30 to 11:15 p.m.
The closure on September 26 will run from 4:30 to 5:15 a.m., while the September 28 interruption is scheduled for 10:30 to 11:15 p.m.
On September 29 and 30, the tunnel will again close twice a day—from 4:30 to 5:15 a.m. and from 10:30 to 11:15 p.m.
Carriers should take special care on September 7 and 8
Of all the planned disruptions, the two consecutive overnight closures: September 7–8 and September 8–9 are likely to have the greatest impact on transport planning. In both cases, it will be impossible to pass through the tunnel for eight hours.
Carriers operating between Italy and France, particularly those using heavy vehicles, should build the schedule into their journey times and rest planning. It is also worth checking the latest traffic-management updates before setting off.
