It follows the highway from the junction with the A2 and the European route E66 for 41 km (25 mi) to the border with Slovenia at Spielfeld.

In Slovenia the corridor continues from the Austrian border at Šentilj for 25 km (16 mi) along the A1 motorway (Slovenika) to the city of Maribor and the Slivnica.

There it switches to the A4 motorway for 20 km (12 mi) until Draženci near Ptuj, continuing (while A4 construction is in progress) on the G9 main road for a few dozen kilometers to the Croatian border at Gruškovje.

In Croatia the corridor follows the A2 toll highway for 64 km (40 mi) from Macelj to Zagreb outskirts.

Upon approaching Zaprešić interchange in suburban Zagreb, small backups on the mainline toll plaza are encountered at all times of day.