The National Roads Institute (Invías) announced the start of the engineering phase for the installation of electromechanical equipment in the Guillermo Gaviria Echeverri Tunnel, known as the Toyo Tunnel, one of the country's most important road infrastructure projects. According to the agency, this stage marks the beginning of the technical process that will enable the tunnel's future operation, including ventilation, lighting, communications, m…
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The National Roads Institute (Invías) announced the start of the engineering phase for the installation of electromechanical equipment in the Guillermo Gaviria Echeverri Tunnel, known as the Toyo Tunnel, one of the country's most important road infrastructure projects. According to the agency, this stage marks the beginning of the technical process that will enable the tunnel's future operation, including ventilation, lighting, communications, m…