 The motorway spans between the Bregana border crossing, located near Samobor, to Slovenia and the Bajakovo border crossing to Serbia, east of Županja.It represents the shortest and the most comfortable transit traffic route between Slovenia, northern Italy, Austria, Switzerland, and southern Germany to the west; and Serbia, Bosnia and Herzegovina, Bulgaria, North Macedonia, Greece, and Turkey to the east.The route serves Sisak via the D36; Banja Luka, Bosnia and Herzegovina via the D5 and Stara Gradiška border crossing; Osijek via the A5; and Vinkovci via the D55.