Construction At an altitude of 4,085 meters, the Agua Negra Tunnel returns to priority in 2026 after a meeting between José Antonio Kast and Javier Milei, with two parallel tunnels of 13.9 km, a 535-meter ventilation shaft, and a corridor costing approximately US$1.5 billion to bring the Southern Cone closer to the Pacific. Valdemar Medeiros 25/04/2026 at 19:44
Construction Black Water Tunnel: Monumental 13.9-Km Project at 4,080 Meters Elevation Will Cross the Andes to Connect Neighboring Countries of Brazil and Create a New Trade Axis Towards the Pacific Alisson Ficher 14/12/2025 at 16:29
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