Cadí Tunnel, Road tunnel in Urús, Spain
The Cadí Tunnel in Urús is a passage of about 5 km length that runs beneath the Serra de Moixeró and connects the regions of Cerdanya and Berguedà. The two lanes are separated by a central safety zone, and the entrances sit at different elevations.
Construction began in 1978 after a private company received the government license, and it opened to traffic in 1984. This engineering success was a major achievement for its time and marked a new era in regional transport connections.
The tunnel is recognized as a Cultural Asset of Catalonia and marks a turning point in how two mountain valleys connect. It transformed how people and goods move across the Pyrenees and still links two different regions today.
The best time to drive through is outside peak hours to ensure smooth passage. Drive carefully, as lighting and weather conditions can change quickly within the mountain section.
The tunnel's name references the Serra del Cadí, yet it actually runs beneath the Serra de Moixeró, which often causes confusion. Thousands of vehicles pass through daily, quietly connecting Catalonia's mountain worlds.
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