Night Closures of Mont Blanc and Fréjus Tunnels – Disruptions on the France–Italy Route
Drivers planning to travel across the Alps on the France–Italy route should prepare for significant disruptions. In June 2025, night closures and alternating (single-lane) traffic are scheduled in two key Alpine tunnels: Mont Blanc and Fréjus.
Mont Blanc Tunnel
The Mont Blanc Tunnel will be completely closed to traffic during night hours – from 10:00 p.m. to 6:00 a.m. – on the following dates:
❌ June 17, 18, 19, 26, and 30, 2025
❌ Additionally, on June 25, alternating (single-lane) traffic will be in place inside the tunnel, which may cause delays and traffic disruptions.
Fréjus Tunnel
The Fréjus Tunnel will also be subject to restrictions. Complete closures are scheduled for:
❌ June 17 and 18, from 10:00 p.m. to 5:00 a.m.
❌ June 21, from 10:00 p.m. to 2:00 a.m.
❌ Alternating (single-lane) traffic will be in effect on June 19, 20, 23, 24, 25, 26, and 27, from 10:30 p.m. to 5:15 a.m.
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