D503 road (Croatia)

D503 state road
Route information
Length:	16.2 km (10.1 mi)
Major junctions
From:	D27 in Šopot
	A1 in Benkovac interchange
To:	Biograd na Moru ferry port
Location
Counties:	Zadar
Major cities:	Biograd na Moru
Highway system
State roads in Croatia

Biograd na Moru, at the southern terminus of D503

D503 is a state road in the northern Dalmatia region of Croatia that provides access from the A1 motorway's Benkovac interchange to the D8 state road, facilitating access from A1 motorway to Biograd na Moru and surrounding seaside resorts.^[1] The road is 16.2 km (10.1 mi) long.^[2]

The southern terminus of the road is located in Biograd na Moru ferry port, from where Jadrolinija ferries fly to Tkon island.^[3]^[4]

At its northern terminus, the road connects to D27 state road which serves as a parallel road to the A1 motorway, connecting to Gračac (to the north) facilitating a bypass of Maslenica bridges in case of strong winds preventing use of both of the bridges.^[5]

The road, as well as all other state roads in Croatia, is managed and maintained by Hrvatske ceste, a state-owned company.^[6]

Traffic volume

Traffic is regularly counted and reported by Hrvatske ceste, operator of the road.^[7] 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.

D503 traffic volume
Road	Counting site	AADT	ASDT	Notes
D503	4917 Kakma	3,299	5,807	Adjacent to Kakma.

Road junctions

D503 major junctions/populated areas
Type	Slip roads/Notes
	Zapužane D27 to Gračac (to the north) and to A1 motorway Benkovac interchange (to the south). The northern terminus of the road. Northbound D503 traffic defaults to northbound D27.
	Polača Ž6047 to Tinj.
	Kakma Ž6042 to Galovac and Vrana.
	Biograd na Moru D8 to Sveti Filip i Jakov to the north, and Pakoštane to the south.
	Biograd na Moru ferry port Ferry access to Tkon, Pašman island (D110). The southern terminus of the road.

State roads in Croatia

1–9	D1 D2 D3 D5 D6 D7 D8 D9

10–75	D10 D12 D20 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34 D35 D36 D37 D38 D39 D40 D41 D42 D43 D44 D45 D46 D47 D48 D49 D50 D51 D52 D53 D54 D55 D56 D57 D58 D59 D60 D62 D64 D66 D69 D70 D72 D74 D75

100–128	D100 D101 D102 D103 D104 D105 D106 D109 D110 D111 D112 D113 D114 D115 D116 D117 D118 D119 D120 D121 D123 D124 D125 D126 D128

200–229	D200 D201 D203 D204 D205 D206 D207 D208 D209 D210 D211 D212 D213 D214 D216 D217 D218 D219 D220 D222 D223 D224 D225 D227 D228 D229

300–315	D300 D301 D302 D303 D305 D306 D307 D310 D312 D313 D314 D315

400–427	D400 D401 D402 D403 D404 D405 D406 D407 D408 D409 D410 D411 D412 D413 D414 D415 D416 D417 D418 D420 D421 D422 D423 D424 D425 D427

500–535	D500 D501 D502 D503 D507 D510 D512 D514 D515 D516 D517 D518 D519 D520 D522 D523 D525 D526 D528 D530 D531 D532 D534 D535

Hrvatske ceste Jadrolinija

Sources

↑ "Regulation on motorway markings, chainage, interchange/exit/rest area numbers and names". Narodne novine (in Croatian). May 6, 2003.
↑ "Decision on categorization of public roads as state roads, county roads and local roads". Narodne novine (in Croatian). February 17, 2010.
↑ "Jadrolinija ferry service". May 11, 2010.
↑ "Sailing schedule for 2010" (in Croatian). May 18, 2010.
↑ "Snow and wind hinder traffic in entire Croatia". Slobodna Dalmacija (in Croatian). March 10, 2010.
↑ "Public Roads Act". Narodne novine (in Croatian). December 14, 2004.
↑ "Traffic counting on the roadways of Croatia in 2009 - digest" (PDF). Hrvatske ceste. May 1, 2010.

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