D421 is a state road connecting D66 state road to

Bršica Bršica is a port village in Croatia. It is connected by the D421 state road and by ferry. 50km away by sea, or 100km by road, there is a Port of Rijeka The Port of Rijeka ( hr, Luka Rijeka, ) is a seaport in Rijeka, Croatia, located on the sh ...

terminal of the

Port of Rijeka The Port of Rijeka ( hr, Luka Rijeka, ) is a seaport in Rijeka, Croatia, located on the shore of the Kvarner Gulf in the Adriatic Sea. The first records of the port date to 1281. It was the main port of the History of Hungary 1700–1919, Kingdom ...

. 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 ( hr, Zakon o javnim cestama enacted by the Parliament of the Republic of Croatia. The tasks of the company are def ...

, state owned company.

Road junctions and populated areas

Sources

{{State roads in Croatia State roads in Croatia Transport in Istria County