https://trans.info/en/mont-blanc-tunnel-full-closure-332330
"The company Tmb-Geie, which manages the Mont Blanc road tunnel, has announced a complete closure of the tunnel for traffic from 5 pm September 4th to 10 pm December 18th, 2023."
"The company Tmb-Geie, which manages the Mont Blanc road tunnel, has announced a complete closure of the tunnel for traffic from 5 pm September 4th to 10 pm December 18th, 2023."