D34 is a state road in Slavonia region of Croatia connecting the cities of Slatina, Donji Miholjac, Valpovo and Osijek.

[maps 1] The road is 79 km (49 mi) long.

[1] This and all other state roads in Croatia are managed and maintained by Hrvatske ceste, state owned company.

[2] Traffic is regularly counted and reported by Hrvatske ceste, operator of the road.

[3]