Prva mjerenja počinju 1879., a u ljeto 1884. počinje gradnja prve dionice od Metkovića do Mostara, za koju se sav materijal dovozio preko luke u Metkoviću.[5]
The first measurements begin in 1879, and in the summer of 1884, the construction of the first section of Metkovic to Mostar, which is then deliver all the material through the port in Metković. [5]