A representative from the infrastructure branch of the Australian group met with the country's public works undersecretary to discuss both the project and possible waste treatment plants.
The future transport and communications minister confirmed that the president-elect will complete the US$3bn project.
Although work on the US$52mn corridor hasn't stopped, the project manager said that construction could be halted by October 19 due to land access issues.
I Squared Capital closes US$7bn global infrastructure fund
President Duque, who took office last month, has claimed that the previous administration did not leave sufficient resources.
The president delivered the state of the union report, the last of his term.