Mont Blanc Tunnel closures in September 2026: dates for hauliers
The Mont Blanc Tunnel will close completely on eight nights in September 2026. Check the exact hours and practical route-planning steps for HGV operators.
Practical transport knowledge, clear explanations and links to relevant calculators and FAQ answers.
The Mont Blanc Tunnel will close completely on eight nights in September 2026. Check the exact hours and practical route-planning steps for HGV operators.