|Length||122.5 km (76.1 mi)|
|From||D424 in Tromilja interchange|
| D27 in Benkovac
D33 in Lozovac and in Drniš
|To||D1 in Klis-Grlo interchange|
|Counties||Zadar, Šibenik-Knin, Split-Dalmatia|
|Major cities||Benkovac, Skradin|
|State roads in Croatia|
D56 runs parallel to a segment of A1 motorway between Zadar and Split areas. Furthermore the road has junctions to major state roads, namely D27 in Benkovac, connecting to D1 state road in Gračac, serving as a possible bypass of both Maslenica bridges, D424, D59 and D33 state roads. The road also connects to A1 motorway Skradin and Zadar 2 interchanges via D424 and a short connector road, respectively. The road is 122.5 km (76.1 mi) long.
The D56 road also serves as a connection to Krka National Park.
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 serves as a connection to A1 motorway and it carries substantial tourist traffic.
|D56 traffic volume|
|D56||4916 Raštević||3,109||3,493||Adjacent to Ž6003 junction.|
|D56||5318 Lišane Oštrovičke||742||1,200||Between L63177 and L63147 junctions.|
|D56||5306 Skradin||1,930||3,058||Adjacent to Ž6090 junction.|
|D56||5413 Kljake||1,362||1,568||Between Ž6098 and Ž6099 junctions.|
|D56||5503 Progon - south||2,732||3,267||Between D219 and Ž6116 junctions.|
Road junctions and populated areas
|D56 junctions/populated areas|
D424 to Zadar and A1 motorway Zadar 2 interchange.
D502 to Zemunik Donji (to the west).
The western terminus of the road. D56 and D502 are concurrent for approximately 700 m (2,300 ft) to the east.
| D502 to Smilčić and Karin (to the north).
The eastern limit of D56/D502 concurrency.
|Ž6044 to Škabrnje|
Ž6014 to Poličnik.
Ž6258 to Smilčić and Islam Latinski.
D27 to Stankovci (to the south) and Gračac (to the north).
D56 and D27 are concurrent for approximately 500 m (1,600 ft) in Benkovac. The southbound D27 junction is west of the northbound one.
Ž6003 to the town centre.
|Ž6051 to Kolarina.|
|Ž6067 to Vukšić and Bila Vlaka.|
D59 to Knin (to the north) and to Pirovac (to the south).
There actually two D56/D59 intersections, the first one with the southbound D59, and the second one to the northbound section of D59. The two roads are concurrent for approximately 300 m (980 ft).
|Ž6073 to Piramatovci.|
Ž6089 to Sonković.
| A1 Skradin interchange to Zadar (to the north) and to Šibenik and Split (to the south).
The interchange is accessed via a short connector road.
Ž6075 to Dubravice.
|Ž6090 to Krka National Park.|
D33 to Šibenik (to the south). D33 and D56 to the east are concurrent.
Ž6092 to Unešić.
|Ž6093 to Pokrovnik.|
|Ž6078 to Pakovo Selo.|
|Ž6094 to Žitnić.|
D33 to Knin (to the north). D33 and D56 to the west are concurrent.
|Ž6096 to Gradac.|
|Ž6097 to Mirlović Polje and Čavoglave.
Ž6098 to Kladnice.
|Ž6099 to Crivac.|
D219 to Sinj.
|Ž6116 to Neorić and Sičane.|
|Ž6114 to Brištanovo and Nisko.|
|Ž6115 to Konjsko.|
|Ž6253 to Klis.|
| D1 in Klis-Grlo interchange to Sinj (to the north) and Split to the south.
The eastern terminus of the road.
- "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.
- "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. Archived from the original (PDF) on July 21, 2011.