The proceeds will be used to finance infrastructure projects in the southern Brazilian city.
The project will be carried out as planned until November 30, the last day in office of President Enrique Peña Nieto.
After taking office, the president-elect will seek to amend the constitution so that public consultations can be called on major issues if requested by citizens.
Lázaro Báez is accused of laundering up to US$60mn obtained through public works contracts awarded irregularly.
Offers for the Los Vilos-La Serena stretch of route 5 will now be unveiled on November 30.
The hearing will take place on November 5 in Brasília.