
Franco Cuaz
Italian engineer and consultant on the Mont Blanc tunnel project who became its first operations manager and shared firsthand accounts of the tunnel's construction, challenges, and legacy.
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Feb 12, 2026 • 10min
The Mont Blanc Tunnel
Franco Cuaz, Italian engineer who became the first operations manager of the Mont Blanc tunnel. He recalls the tunnel’s dramatic construction, deadly risks and the tense breakthrough when Italian and French teams met. The conversation covers harsh geology, avalanches, worker resolve, and the tunnel’s later dangers and legacy.


