Safety recommendations
Safety recommendations SITAF recommends that drivers exercise extreme caution and strictly adhere to signs inside the tunnel, remembering that overtaking is absolutely prohibited during one-way and two-way traffic. For traffic information, it is recommended to review the information disclosed with the Variable
Gran Bosco Est Service Area – Toilet closures from December 1st to 3rd, 2025
Susa, 25 November, 2025 – SITAF, concessionaire of the A32 Turin-Bardonecchia motorway and the T4 Frejus Tunnel, informs that, from 1 to 3 December 2025, the Gran Bosco Est Service Area in Salbertrand (towards Turin) due to maintenance the toilets
Frejus Tunnel: Total closure from December 13 to 14, 2025
Bardonecchia, December 1, 2025 – SITAF SpA, concessionaire of the A32 Turin–Bardonecchia motorway and the Frejus Tunnel (T4), informs users that on Saturday, December 13, from 10:00 PM to 6:00 AM on Sunday, December 14, 2025, for maintenance work, the
Frejus T4 tunnel – Temporarily modified traffic regime
Susa, 31 October 2025 – SITAF SpA, concessionaire of the A32 Turin–Bardonecchia motorway and the Frejus Tunnel (T4), informs users that, to allow technical maintenance works, the circulation regime within the tunnel will be temporarily modified of the Frejus Tunnel. Periods
Access to the Frejus Tunnel: Regulations for vehicles and exceptional transport from September 22 to December 12, 2025
Susa, September 18, 2025 – SITAF, concessionaire of the A32 Turin–Bardonecchia motorway and the Frejus Tunnel (T4), announces that access to the Frejus Tunnel on the Italian side will be regulated to ensure safety and traffic flow. Vehicles with a WIDTH
Inauguration of the second tube of the Frejus Tunnel
On 28 July, the second tube of the Frejus Tunnel was inaugurated, the new infrastructure that strengthens the road connection between Italy and France. The ceremony was attended by the Italian Minister of Infrastructure and Transport, Matteo Salvini, and the