D123 is a state road on island of

Mljet Mljet () is the southernmost and easternmost of the larger Adriatic islands of the Dalmatia region of Croatia. In the west of the island is the Mljet National Park. Population In the 2011 census, Mljet had a population of 1,088. Ethnic Croats mad ...

Croatia Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northeast, Serbia to the east, Bosnia and Herze ...

connecting the main state road on the island ( D120) to

Sobra Sobra is a port village on the island of Mljet in southern Croatia Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the nor ...

ferry port, from where

Jadrolinija Jadrolinija is a Croatian ferry company. It is state-owned and it primarily connects Croatian islands to the mainland by operating regular passenger and cargo transport services. The company mainly operates car ferries on domestic routes along t ...

ferries fly to the mainland, docking in

Prapratno Prapratno is a port village in Croatia Croatia, officially the Republic of Croatia, is a country in Central Europe, Central and Southeast Europe, on the coast of the Adriatic Sea. It borders Slovenia to the northwest, Hungary to the northe ...

and the D416 state road. The road is long. The road, as well as all other state roads in Croatia, is managed and maintained by

Hrvatske ceste Hrvatske ceste (lit. ''Croatian roads'') is a Croatian state-owned company pursuant to provisions of the Croatian Public Roads Act ( enacted by the Parliament of the Republic of Croatia. The tasks of the company are defined by the Public Roads A ...

, a state-owned company.

Traffic volume

Traffic is not regularly counted on the road, however,

report number of vehicles using Prapratno-Sobra ferry line, connecting the D123 and D416 state road. Substantial variations between annual (

AADT Annual average daily traffic (AADT) is a measure used primarily in transportation planning, transportation engineering and retail location selection. Traditionally, it is the total volume of vehicle traffic of a highway or road for a year divided ...

) and summer (ASDT) traffic volumes are attributed to the fact that the road connects to a number of summer resorts.

Road junctions and populated areas

Sources

{{State roads in Croatia State roads in Croatia Transport in Dubrovnik-Neretva County Mljet