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La Voz de Madrid

Alcorcón Prepares for A-5 Tunnel Opening, Key for Madrid Connection

The undergrounding works of the A-5 in Alcorcón are making significant progress, with the opening of the tunnel entrance to Madrid expected by late 2026.

Image of a modern tunnel entrance with bright lights, symbolizing the progress of construction works.
IA

Image of a modern tunnel entrance with bright lights, symbolizing the progress of construction works.

The undergrounding of the A-5, a crucial infrastructure for residents of Alcorcón and the southern area of the Community of Madrid, is in its final phase, with the opening of the tunnel entrance to the capital expected by late 2026.

The A-5 undergrounding works have transformed the daily routine of Alcorcón residents, especially their commutes to Madrid. This project, which has led to a notable increase in public transport demand, is nearing completion, marking a significant milestone for mobility in the region.
Institutions have kept citizens informed about the execution deadlines, which have been met satisfactorily. This progress has allowed for advancement to a new phase of the project, with a view to its full completion by 2027.
The expectation is that the tunnel will be open to traffic before the end of 2026. Work is currently focused on connecting the existing tunnel with the new infrastructure. It is worth noting that the tunnel entrance to Madrid is already 100% complete, with only the southern section remaining to be finalized to take a decisive step in improving connectivity.
The installation of necessary systems will be the next crucial step before the official opening to traffic. The completion of these works in 2026 represents excellent news for citizens, who will see significantly reduced travel problems, especially on their journeys to the capital.

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