The Toyo tunnel being planned in Colombia will provide several engineering challenges according to reports. Located in Antioquia, the tunnel lies in an area with tricky topography. The project is expected to cost some US$783 million to build with the tunnel being located at an altitude of around 1,500m.
The Toyo tunnel being planned in Colombia will provide several engineering challenges according to reports. Located in Antioquia, the tunnel lies in an area with tricky topography. The project is expected to cost some US$783 million to build with the tunnel being located at an altitude of around 1,500m.