The Sempione SS33 will undergo a roadway reduction due to ongoing works. The intervention will start from the 07:00 on 10 September 2025 and will end at the 20:00 on September 26, 2025 . The limitation of the transit will affect the stretch between the crocious cross and the Masera crossroads , in the direction of the SS337 of the Val Vigezzo.

It is important to pay attention to the security notices and the temporary indications that will be positioned along the route.

In summary:

  • Road: SS33 of the Sempione
  • Type of intervention: Reduction of roadway for works
  • start date: 10 September 2025, 07:00
  • end date: September 26, 2025, 20:00
  • Interested part: between Cancer and Masera crossing, towards SS337 of the Val Vigezzo

It is recommended to motorists to plan their journey in advance and to respect the speed limit, to ensure a safe and fluid circulation during the work period.



(source: CCISS; image for illustrative or repertoire purposes)