D66 is a state road connecting A9 motorway with D8

D8 (Croatia)

D8 state road comprises Croatian section of Adriatic Highway, and it runs from Pasjak border crossing to Slovenia via Rijeka, Senj, Zadar, Šibenik, Split, Opuzen and Dubrovnik to the border with Montenegro at Karasovići. Most of the D8 state road is still a two-lane road, excepting rare four-lane...

 state road in Matulji

Matulji

Matulji is a municipality in Primorje-Gorski Kotar County, Croatia. It is located west of the Croatian town Rijeka, north of the town of Opatija, and it borders Slovenia...

. D66 road serves as a connection to a number of towns and resorts along the eastern coast of Istria peninsula, including Opatija

Opatija

Opatija is a town in western Croatia, just southwest of Rijeka on the Adriatic coast. , the town proper had a population of 7,850, with the municipality having a total 12,719 inhabitants.-Geography:...

, Lovran

Lovran

Lovran is a town in Istria, Croatia. It is situated on the western coast of the Kvarner Bay with a population of 3,241 . Its name derives from Laurel , as shown in the coat of arms....

 and Ičići

Ičići

Icici is a small place located in the north-east part of Istria, Croatia . It is located under a mountain Učka, on the north part of the Adriatic Sea....

, as well as to Brestova

Brestova

Brestova is a village in Croatia, located south of Učka Mountain ridge. It is connected by the D402 road, which links the Brestova ferry port, from where ferries fly to the island of Cres. The settlement is administered as a part of Istria County and Kršan municipality....

 ferry port, from which Jadrolinija

Jadrolinija

Jadrolinija is a Croatian sea shipping company. It is a state-owned company and its main mission is connecting Croatian islands to the mainland by operating regular passenger and cargo transport services...

 ferries fly to island of Cres

Cres

Cres is an Adriatic island in Croatia. It is one of the northern island in the Kvarner Gulf and can be reached via ferry from the island Krk or from the Istrian peninsula ....

 (D100

D100 (Croatia)

D100 is a state road connecting Porozina ferry port - ferry access to Brestova on the mainland and D101 state road to Cres and Mali Lošinj. The D100 road is carried between Cres and Lošinj islands via a swing bridge in Osor across a wide strait...

). The northern terminus of the road also provides a link towards Rijeka

Rijeka

Rijeka is the principal seaport and the third largest city in Croatia . It is located on Kvarner Bay, an inlet of the Adriatic Sea and has a population of 128,735 inhabitants...

 via D8 state road and to Matulji interchange on A8 motorway. The road is 90.1 km long.

The road, as well as all other state roads in Croatia, is managed and maintained by Hrvatske ceste

Hrvatske ceste

Hrvatske ceste is a Croatian state-owned company pursuant to provisions of the Croatian Public Roads Act , the county and local roads are managed by county authorities, while the motorways are managed by Croatian Motorways Ltd and other concessionaires.The company is currently administered by a...

, a state-owned company.

Traffic volume

Traffic is regularly counted and reported by Hrvatske ceste

Hrvatske ceste

Hrvatske ceste is a Croatian state-owned company pursuant to provisions of the Croatian Public Roads Act , the county and local roads are managed by county authorities, while the motorways are managed by Croatian Motorways Ltd and other concessionaires.The company is currently administered by a...

, operator of the road. Substantial variations between annual (AADT) and summer (ASDT) traffic volumes are attributed to the fact that the road connects a number of summer resorts to Croatian motorway network.

D66 traffic volume
Road	Counting site	AADT	ASDT	Notes
D66	2819 Opatija	13,539	17,253	The northernmost traffic counting site on D66.
D66	2814 Medveja	4,705	8,145
D66	2815 Stepčići	5,700	7,800	Values estimated by HC Hrvatske ceste Hrvatske ceste is a Croatian state-owned company pursuant to provisions of the Croatian Public Roads Act , the county and local roads are managed by county authorities, while the motorways are managed by Croatian Motorways Ltd and other concessionaires.The company is currently administered by a... . The site is located adjacent to the D64 junction.
D66	2817 Raša	2,965	4,612
D66	3904 Loborika	6,229	8,345	The southernmost traffic counting site on D66, effectively counting traffic between D66 and D400 D400 (Croatia) D400 is a state road connecting D66 and D21 state roads to Pula city centre and Pula ferry port. The road is only long. Urban planning documents of the city of Pula, indicate that the road may be expanded from its current two traffic lanes to four.... .

Road junctions and populated areas

D66 junctions/populated areas
Type	Slip roads/Notes
	D400 D400 (Croatia) D400 is a state road connecting D66 and D21 state roads to Pula city centre and Pula ferry port. The road is only long. Urban planning documents of the city of Pula, indicate that the road may be expanded from its current two traffic lanes to four....  to Pula Pula Pula is the largest city in Istria County, Croatia, situated at the southern tip of the Istria peninsula, with a population of 62,080 .Like the rest of the region, it is known for its mild climate, smooth sea, and unspoiled nature. The city has a long tradition of winemaking, fishing,...  and Pula ferry port. Southern terminus of the road.
	Ž5119 to Pomer Pomer, Croatia Pomer, Croatia is a village in Croatia....  and Šišan Šišan Šišan is a village in Croatia....
	A9 motorway Pula Pula Pula is the largest city in Istria County, Croatia, situated at the southern tip of the Istria peninsula, with a population of 62,080 .Like the rest of the region, it is known for its mild climate, smooth sea, and unspoiled nature. The city has a long tradition of winemaking, fishing,...  interchange.
	D401 D401 (Croatia) D401 is a state road branching off from D66 state road connecting it to Pula Airport. The road is long.The road, as well as all other state roads in Croatia, is managed and maintained by Hrvatske ceste, state owned company.- Road junctions :...  to Pula Airport Pula Airport Pula Airport is the airport serving Pula, Croatia, and is located 6 km from the city centre. Thanks to favourable climatic and technical conditions Pula is designated as the alternative airport for parts of Slovenia, Italy, and even Austria...
	Loborika - junction with L50169 to Muntić and Nesactium Nesactium Nesactium was an ancient fortified town of the Histrii tribe. Its ruins are located in southern Istria, Croatia, between the village of Muntić and Valtura.-History:...  archaeological site
	L50170 to Muntić
	Marčana Marcana Marčana is a village and municipality in the southern part of Istria, Croatia, 15 km northeast of Pula; elevation 170 m. Chief occupation is farming. The central part of the village is of a compact type, with a number of isolated houses in the surroundings. Most of the population descends...  - junction to Duga Uvala Duga Uvala Duga Uvala is a tourist complex in the Vinjole cove, 3 km southeast of Krnica, on the south-eastern side of the Istrian peninsula in Croatia. Construction of the tourist complex started in 1971, when the main road infrastructure was partly finished. Construction on the complex continued from...
	Ž5119 to Krnica
	L50164 to Divšići
	L50154 to Manjadvorci
	Ž5100 to Manjadvorci L50145 to Hreljići
	to Borinići
	to Želiski
	L50153 to Hrboki
	L50152 to Puntera
	Barban Barban Barban is a small town and municipality in the southern part of eastern Istria, Croatia, 28 km northeast of Pula, above the Raša river valley; elevation 229 m....  - junction with Ž5077 to Žminj Žminj Žminj , a municipality in the central part of Istria , 15 km south of Pazin; elevation 355 m; population 3.447. It was first mentioned in 1177 as a parish of the Poreč diocese....
	D421 D421 (Croatia) D421 is a state road connecting D66 state road to Bršica terminal of the Port of Rijeka. The road is long.The road, as well as all other state roads in Croatia, is managed and maintained by Hrvatske ceste, state owned company....  to Bršica Bršica Bršica is a port village in Croatia. It is connected by the D421 state road and by ferry. In the area there is a Port of Rijeka terminal which handles livestock, timber and general cargo....  terminal of the Port of Rijeka Port of Rijeka The Port of 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 Kingdom of Hungary in the 19th century and the beginning of the 20th century, of Yugoslavia between World War II...
	Raša Raša Raša is a town and municipality in the inner part of the Raška Inlet in the south-eastern part of Istria, Croatia. Raša lies southwest of Labin at an elevation of ....
	to Krapan
	to Kapelica
	Labin Labin Labin is a town in Istria, Croatia, with a town population of 6,884 and 11,703 in the greater municipality .... : Ž5081 to Kršan Kršan Kršan is a village and municipality in the central part of Istria, Croatia, 15 km north of Labin. The elevation is 50 m. The population is 3.264 . The chief occupation is farming. Kršan is located on the regional road Vozilići - Podpićan.... Ž5103 to Koromacno Koromacno or is located in the southernmost tip of the peninsula in Istria County in Croatia. It is nestled between and on the Gulf of Quarnero of the Adriatic Sea. It is one of the newest hamlet not even 100 years old. It is located about 15km from , 1 km from , 3 km from... Ž5104 to Rabac Rabac Rabac, a Croatian village in Istria, is a large resort town on Kvarner Bay, just southeast of Labin.Long a small fishing port of just three dozen homes, Rabac has grown in recent years into a resort town with numerous villas and apartment buildings....  and Girandella resort
	Štrmac Štrmac Štrmac is a village in Croatia. It is connected by the D66 highway....  - junction with L50187 to Režanci
	to Vrećari
	Vozilići Vozilići Vozilići is a village in Croatia. It is connected by the D66 highway.... : D64 D64 (Croatia) D64 is a state road connecting the city of Pazin with D66 state road in Vozilići.The D64 road thus serves as a connection between the central Istria and resorts along the eastern coast of Istria peninsula, including Opatija, Lovran and Ičići, as well as to Brestova ferry port, from which...  to Pazin Pazin Pazin is the administrative seat of Istria County in Croatia. The town has a population of 4,986 , the total Pazin municipality population is 9,227... Ž5172 to Plomin Luka L50180 to Kožljak resort
	Plomin Plomin Plomin is a village in the Croatian part of Istria, situated approximately 11 km north of Labin, on an 80 meters high hill. It is a popular destination for tourists traveling through Istria by road....
	D402 D402 (Croatia) D402 is a state road connecting D66 state road to Brestova ferry port, from where ferries fly to Porozina, Cres and D100 state road. The road is 3.2 km long....  to Brestova Brestova Brestova is a village in Croatia, located south of Učka Mountain ridge. It is connected by the D402 road, which links the Brestova ferry port, from where ferries fly to the island of Cres. The settlement is administered as a part of Istria County and Kršan municipality....  ferry port providing access to Porozina Porozina Porozina is a small port town in Croatia, located on the northwest coast of Cres. It is connected by ferry to Brestova on the Istria mainland.... , Cres Cres Cres is an Adriatic island in Croatia. It is one of the northern island in the Kvarner Gulf and can be reached via ferry from the island Krk or from the Istrian peninsula ....  (by Jadrolinija Jadrolinija Jadrolinija is a Croatian sea shipping company. It is a state-owned company and its main mission is connecting Croatian islands to the mainland by operating regular passenger and cargo transport services... ) and D100 D100 (Croatia) D100 is a state road connecting Porozina ferry port - ferry access to Brestova on the mainland and D101 state road to Cres and Mali Lošinj. The D100 road is carried between Cres and Lošinj islands via a swing bridge in Osor across a wide strait...
	Zagore
	Brseč Brseč Brseč is a village in Croatia. It is part of Mošćenička Draga municipality. It is connected by the D66 highway....  - junction with L58064
	to Golovik
	Mošćenička Draga Mošcenicka Draga Mošćenička Draga is municipality in Primorje-Gorski Kotar County. It has 1,641 inhabitants, 91.5% which are Croats. It is situated southwest of Opatija under the Mt. Učka. Center of municipality is former fishing village of Mošćenička Draga which is today an attractive tourist resort with two...  - junction with Ž5082 to Mošćenice Mošcenice Mošćenice is a village in the municipality of Mošćenička Draga in Primorje-Gorski Kotar County on the Istrian peninsula, close to Opatija, Croatia....
	to Obrš
	Donji Kraj
	Medveja Medveja, Croatia Medveja is a village in Croatia. It is connected by the D66 highway....
	Lovran Lovran Lovran is a town in Istria, Croatia. It is situated on the western coast of the Kvarner Bay with a population of 3,241 . Its name derives from Laurel , as shown in the coat of arms....  - junction with Ž5050 to Liganj
	Ika Ika, Croatia Ika, Croatia is a resort town in Croatia. It is connected by the D66 highway....
	Ičići Ičići Icici is a small place located in the north-east part of Istria, Croatia . It is located under a mountain Učka, on the north part of the Adriatic Sea....  - junction with Ž5048 to Veprinac
	Opatija Opatija Opatija is a town in western Croatia, just southwest of Rijeka on the Adriatic coast. , the town proper had a population of 7,850, with the municipality having a total 12,719 inhabitants.-Geography:...  - junction with Ž5051 to D8 D8 (Croatia) D8 state road comprises Croatian section of Adriatic Highway, and it runs from Pasjak border crossing to Slovenia via Rijeka, Senj, Zadar, Šibenik, Split, Opuzen and Dubrovnik to the border with Montenegro at Karasovići. Most of the D8 state road is still a two-lane road, excepting rare four-lane...  state road
	Volosko Volosko Volosko is a part of the city of Opatija, located in the Kvarner Gulf in western Croatia. It is located in the north of Opatija, on the road towards Kastav and Rijeka.-People:* Amelia Milka Sablich, born there...
	Matulji Matulji Matulji is a municipality in Primorje-Gorski Kotar County, Croatia. It is located west of the Croatian town Rijeka, north of the town of Opatija, and it borders Slovenia... : D8 D8 (Croatia) D8 state road comprises Croatian section of Adriatic Highway, and it runs from Pasjak border crossing to Slovenia via Rijeka, Senj, Zadar, Šibenik, Split, Opuzen and Dubrovnik to the border with Montenegro at Karasovići. Most of the D8 state road is still a two-lane road, excepting rare four-lane...  to A8 motorway Matulji interchange and Rijeka Rijeka Rijeka is the principal seaport and the third largest city in Croatia . It is located on Kvarner Bay, an inlet of the Adriatic Sea and has a population of 128,735 inhabitants... Northern terminus of the road.