Works on the US$440mn Sisga Transversal highway have been slowed down by land acquisition issues, which the concessionaire alleges were not outlined in the contract.
The total price hike for the year in the Brazilian state reaches 9.07%.
The US$12mn project involves widening several sections of the capital's western access road network. Works are expected to start next month.
The country's transport sub secretary stated that the US$3.4bn large scale port planned for Valparaíso would be "unfeasible" without a rail link.
State operator Metro de Panamá has unveiled the scores each bid obtained in the respective technical and economic evaluations for the installation of a 2km branch line connecting line No. 2 of the Panama City metro system to Tocumen international airport.
The Brazilian company reported lower earnings in the third quarter.
The 30-year maintenance and operating concession is for 473km of highways.