The total is separated into two loans, one for Chile (US$150mn) and the other for Argentina (US$130mn).
The Brazilian highway operator was fined for failing to carry out repairs, clean lanes and install appropriate signaling.
Over the next three years, the country could obtain US$97bn in investments via PPP mechanisms, which have "enormous potential" for the local economy, according to a study by social development institute Idesa.
The engineering studies and other important documents for the project are currently being reviewed by the finance ministry. The new concession will last 10 years.
Planning, budget and management minister Dyogo Oliveira talks about the country's need to digitally transform its public sector.
Guatemalan authorities reportedly paid the disgraced Brazilian company around US$40mn for works that were never completed.
Although the stations and track for Line 6 have been completed, there were problems with the driverless trains during trials.
The company will build a new maintenance hangar at Guarulhos International Airport.