It runs for 145 km (90 mi) near the border between Argentina and Brazil crossing the Missiones Province Departments of General Manuel Belgrano and Iguazú.

After decades of difficult travel through this road, especially after rains, it was decided to pave it starting from the south end.

The work was contracted with a financial agreement with the federal government and under the technical supervision and administration of the Dirección Provincial de Vialidad (Provincial Dept.

[1] The next 30 km (19 mi) until the rural area known as Piñalito Norte were completed in mid-2007.

The section between Piñalito Norte and Provincial Route 19 is under construction.