The SS4 Via Salaria will be closed at night due to scheduled maintenance works and modernization of the technological systems in the Colle Giardino tunnel. The affected section will remain closed between the intersection with the SS578 Salto Cicolana and the Maglianello intersection in the direction of Rome.

Work will begin at 9.30pm on November 24, 2025 and will end at 6.00am on December 13, 2025. During this period, users are advised to exercise caution and plan alternative routes to avoid any traffic jams or delays.

Closure details:

• Closed section: SS4 Via Salaria, Colle Giardino tunnel
• Direction: Rome
• Closing start: November 24, 2025, 9.30 pm
• End of closing: 13 December 2025, 06:00
• Sections affected: Between Incrocio Rieti - SS578 Salto Cicolana and Incrocio Maglianello

All motorists are advised to drive carefully and monitor traffic information to avoid inconvenience.