in 1996 the concession was extended to 28 years with the condicion that the bidding company built a highway between the complejo unión nacional and gualeguaychú. the section between the general justo josé de urquiza bridge and ceibas was completed on october 12, 1999. due to the currency devaluation of 2002, road work in the ceibas - gualeguaychú section was delayed.