The Brazilian infrastructure group is being investigated by the Lava Jato task force as part of accusations of corruption in Paraná state highway concessions.
A temporary measure extending the deadline for works in certain highway concessions expired after not finding consensus in the lower house.
The US$16mn project involves adding a 700m-long, four lane section to Carrera 43 street.
The volume of agricultural products transported by rail across the country jumped nearly 74% last year.
The $27mn project involves paving 34km and building a bridge in Neuquén province.