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D303 state road
Route information
Length	13.5 km (8.4 mi)
Major junctions
From	A9 and A8 in Kanfanar interchange
Major intersections	D21 near Kanfanar interchange
To	Rovinj
Location
Country	Croatia
Counties	Istria
Major cities	Rovinj
Highway system
Highways in Croatia

D303 is a state road connecting A9 and A8 motorways (Kanfanar interchange) to Rovinj. The road is 13.5 km long.

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

Traffic volume

Traffic is regularly counted and reported by Hrvatske ceste, operator of the road. Substantial variations between annual (AADT) and summer (ASDT) traffic volumes are attributed to the fact that the road connects A9 motorway carrying substantial tourist traffic to Rovinj, a major summer resort.

D303 traffic volume
Road	Counting site	AADT	ASDT	Notes
D303	2716 Sošići	6,741	13,187	The only published traffic counting site on D303.

Road junctions and populated areas

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D303 junctions/populated areas
Type	Slip roads/Notes
	Kanfanar interchange: A9 motorway to Pula (to the south) and to Umag (to the north) A8 to Rijeka Ž5077 to Kanfanar The eastern terminus of the road. Eastbound D303 traffic defaults to the Ž5077.
	D21 to Bale.
	L50128 to Bubani
	Putini
	Rovinjsko Selo
	Rovinj Ž5095 to Valalta resort Ž5096 to Bale The western terminus of the road.

Sources

1. "Decision on categorization of public roads as state roads, county roads and local roads". Narodne novine (in Croatian). February 17, 2010.
2. "Interchanges of the Y". BINA-Istra. May 15, 2010.
3. "Public Roads Act". Narodne novine (in Croatian). December 14, 2004.
4. "Traffic counting on the roadways of Croatia in 2009 - digest" (PDF). Hrvatske ceste. May 1, 2010. Archived from the original (PDF) on July 21, 2011.

See also

• Istrian Y

• State roads in Croatia
• Transport in Istria County