D203 is a state road in Gorski Kotar

Gorski kotar

Gorski kotar is the mountainous region in Croatia between Karlovac and Rijeka. Together with Lika and the Ogulin-Plaški valley it forms Mountainous Croatia. Because 63% of its surface is forested it is popularly called the green lungs of Croatia or Croatian Switzerland...

 region of Croatia

Croatia

Croatia , officially the Republic of Croatia , is a unitary democratic parliamentary republic in Europe at the crossroads of the Mitteleuropa, the Balkans, and the Mediterranean. Its capital and largest city is Zagreb. The country is divided into 20 counties and the city of Zagreb. Croatia covers ...

 connecting Brod na Kupi

Brod na Kupi

Brod na Kupi is a village in the Delnice region in the west part of Gorski Kotar in Croatia. Its population is 209 .-References:...

 and nearby border crossing to Slovenia

Slovenia

Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of...

 to D3

D3 (Croatia)

D3 is a state road in western parts of Croatia connecting Rijeka on the Adriatic coast to Zagreb, Karlovac and Varaždin, as well as to Goričan border crossing to Hungary...

 state road in Delnice

Delnice

Delnice is a town in western Croatia, the largest settlement in the mountainous region of Gorski Kotar, in the Primorje-Gorski Kotar county. The town has a population of 4,451 , total municipality population is 6,858. Delnice is Gorski Kotar's main town...

, and the road also serves as a connecting road to the A6 motorway

A6 (Croatia)

The A6 motorway is a motorway in Croatia spanning . It connects the nation's capital, Zagreb, via the A1, to the seaport of Rijeka. The motorway forms a major north–south transportation corridor in Croatia and is a part of European route E65...

 as it terminates near Delnice interchange. The road is 11.2 km (7 mi) 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...

, 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 serves as an approach to the Croatian A6 motorway

A6 (Croatia)

The A6 motorway is a motorway in Croatia spanning . It connects the nation's capital, Zagreb, via the A1, to the seaport of Rijeka. The motorway forms a major north–south transportation corridor in Croatia and is a part of European route E65...

 carrying considerable tourist traffic.

D203 traffic volume
Road	Counting site	AADT	ASDT	Notes
D203	2902 Brod na Kupi	1,120	2,292	Between the Ž5033 and L58022 junctions.

Road junctions and populated areas

D203 junctions/populated areas
Type	Slip roads/Notes
	Brod na Kupi Brod na Kupi Brod na Kupi is a village in the Delnice region in the west part of Gorski Kotar in Croatia. Its population is 209 .-References:...  border crossing to Slovenia Slovenia Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of... . Slovenian route 106 to Kočevje Kocevje Kočevje is a city and a municipality in southern Slovenia. In terms of area it is the largest municipality in Slovenia. It is located between the rivers Krka and Kolpa and is part of the traditional region of Lower Carniola. It is now included in the Jugovzhodna Slovenija statistical region... , Slovenia Slovenia Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of... . The northern terminus of the road.
	Brod na Kupi Brod na Kupi Brod na Kupi is a village in the Delnice region in the west part of Gorski Kotar in Croatia. Its population is 209 .-References:... Ž5033 to Gašparci border crossing to Slovenia Slovenia Slovenia , officially the Republic of Slovenia , is a country in Central and Southeastern Europe touching the Alps and bordering the Mediterranean. Slovenia borders Italy to the west, Croatia to the south and east, Hungary to the northeast, and Austria to the north, and also has a small portion of...  (to the west) and to Brod Moravice Brod Moravice Brod Moravice is a municipality in the Primorje-Gorski Kotar County in western Croatia. There are 985 inhabitants, with 96% Croats.-History:Brod Moravice was first mentioned in 1260. It is the smallest municipality, as for population, and oldest one in its county...  (to the east).
	L58022 to Radočaj Brodski
	Marija Trošt Marija Trošt Marija Trošt is a village in Croatia. It is connected by the D203 highway....
	Delnice Delnice Delnice is a town in western Croatia, the largest settlement in the mountainous region of Gorski Kotar, in the Primorje-Gorski Kotar county. The town has a population of 4,451 , total municipality population is 6,858. Delnice is Gorski Kotar's main town... D3 D3 (Croatia) D3 is a state road in western parts of Croatia connecting Rijeka on the Adriatic coast to Zagreb, Karlovac and Varaždin, as well as to Goričan border crossing to Hungary...  to A6 motorway A6 (Croatia) The A6 motorway is a motorway in Croatia spanning . It connects the nation's capital, Zagreb, via the A1, to the seaport of Rijeka. The motorway forms a major north–south transportation corridor in Croatia and is a part of European route E65...  Delnice 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...  (to the west) and to Karlovac Karlovac Karlovac is a city and municipality in central Croatia. The city proper has a population of 49,082, while the municipality has a population of 59,395 inhabitants .Karlovac is the administrative centre of Karlovac County... (to the east). The southern terminus of the road.