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The works to update the Túnel de la Rovira, the 1,300 m tunnel that has connected Baix Guinardó with El Carmel since 1987, are already under way. The works will improve safety and energy efficiency, resurface the road, fix structural defects, optimise waterproofing and drainage, and upgrade most of the equipment in the tunnel.

Greater safety

One of the main tasks consists of improving safety in the tunnel by excavating three new evacuation routes, connected across both sides of the tunnel, i.e. the northbound and southbound directions. The safety and communications equipment will also be upgraded with new technological solutions, and new fire detection elements will be incorporated. At the same time, the fire hydrant and fire extinguisher system will be expanded, and the technical rooms renovated.

Tunnel updating

The works include the complete replacement of the road surface and tunnel lighting system, which will use LED technology, and new automated ventilation guidelines adapted to the various scenarios. The improvement works will also fix water leaks and revamp the drainage system.

The tunnel renovation works will have major impacts, requiring alternating closures of each direction of traffic in the tunnel:

1. PRELIMINARY WORKS (December 2024–February 2025): During the first three months of works, the southbound tunnel will be closed to traffic at night-time from Sunday to Thursday, from 10.30 pm to 5.30 am. The preliminary work in the northbound tunnel will be carried out between May and July 2025.

2. WORKS IN THE SOUTHBOUND TUNNEL (March–July 2025): During this phase, intensive work will be carried out in the southbound tunnel, which will have to be completely closed for five months. Work will take place 24 hours a day in different shifts. The preliminary work in the northbound tunnel will also be carried out between May and July, with night-time traffic closures from Sunday to Thursday (10.30 pm to 5.30 am).

3. WORKS IN THE NORTHBOUND TUNNEL (August 2025): The works will move to the northbound tunnel in August 2025. The northbound tunnel will be completely closed to traffic during this month. The works will also be carried out 24 hours a day in different shifts.

4. WORK ON EQUIPMENT IN THE NORTHBOUND TUNNEL (September–October 2025): The works in the northbound tunnel will continue during September and October 2025 with the upgrading of equipment. The northbound tunnel will be closed to traffic at night-time from Sunday to Thursday (10.30 pm to 5.30 am).

5. WORKS COMPLETION AND COMMISSIONING (November–December 2025): Final works in Túnel de la Rovira. The final works will be carried out at night-time from Sunday to Thursday, from 10.30 pm to 5.30 am.