Traffic rules

Traffic prohibitions in Italy and France
https://www.tunnelmb.net/en-US/closures-and-forecasts

Transport of hazardous materials

The transit of hazardous goods through the tunnel is forbidden.
https://www.tunnelmb.net/en-US/trucks-buses-and-exceptional-convoys

Unusual loads

A special authorisation is needed to access the tunnel with unusual loads.
Exceptional transport - Mont Blanc Tunnel

Transit charges

https://www.tunnelmb.net/en-US/vehicles-classification-and-tolls