Metro line 3, including the tunnel that will pass under the Panama Canal watershed, required eight environmental impact studies says the director of Projects and Planning of the Panama Metro, Agustín Arias Arias who told La Prensa that line 3 is currently 32% complete, while in the case of the tunnel, through which the line will pass,  100 studies have been carried out in 100 points, through which the subway would pass.

One of them consisted of the extraction of samples of materials through which the tunnel would pass, in order to provide the information to the designer of the tunnel boring machine that should arrive in July of this year.

Once the TBM arrives in the country, it must be assembled in a period of four months and then, at the beginning of 2024, start drilling.

The tunnel construction works are scheduled to be completed by the end of 2026.