Last breakthrough in the extension of Line 3 of the Santiago Subway (Chile)


In the presence of the Minister of Transport, Gloria Hutt, and the President of Metro, Louis De Grange, on September 7, the last breakthrough of the tunnels of the Line 3 extension of the Santiago de Chile Metro, which OSSA is executing in consortium with the company Echeverría Izquierdo S.A., took place.

OSSA’s participation in the expansion of the Metro de Santiago S.A. network began in 2013 and since then it has built more than 10 km of tunnels.