 In 1985, the motorway was extended by to Okučani, and in 1986 by another to Prvča, near Nova Gradiška.Two further extensions of the motorway happened in 1988 and 1989—those were a extension to Brodski Stupnik and another one to Slavonski Brod and the present-day Slavonski Brod zapad (west) interchange.In 1991, the motorway reached beyond Slavonski Brod as it was extended once more by , to the Slavonski Brod istok (east) interchange.