D405 branches off to the southwest from D8 near Jablanac towards Stinica ferry port - ferry access to Mišnjak, island of Rab (D105).
The road is 4.8 km long.
[1] This road, like all other state roads in Croatia, is managed and maintained by Hrvatske ceste, state owned company.
[2] Traffic is not regularly counted on the road, however, Hrvatske ceste reports number of vehicles using Jablanac-Mišnjak ferry line, connecting D405 to the D105 state road.
[3] Substantial variations between annual (AADT) and summer (ASDT) traffic volumes are attributed to the fact that the road connects to a number of summer resorts.