The state road D1 ( hr, Državna cesta D1) is a national highway in Croatia. It is a one-lane highway that spans from

Macelj Macelj (; ) is the name of a village and a forest in northern Croatia bordering on Slovenia. There is an official border crossing in Macelj, and the end of the A2 highway. The villages are administratively divided into Gornji Macelj (''Upper''), p ...

border crossing in the north via Krapina, Zagreb,

Karlovac Karlovac () is a city in central Croatia. According to the 2011 census, its population was 55,705. Karlovac is the administrative centre of Karlovac County. The city is located on the Zagreb- Rijeka highway and railway line, south-west of Zagre ...

, Slunj,

Gračac Gračac (; ) is a town and municipality in the southern part of Lika, Croatia. The municipality is administratively part of Zadar County. Gračac is located south of Udbina, northeast of Obrovac, northwest of Knin and southeast of Gospić. Settl ...

, Knin, Sinj, ending in Split. It is long overall. Before the A1 and A2 dual carriage motorways have been completed (in 2005 and 2007 respectively), the D1 was probably the busiest road during the summer in Croatia as it connected the northern border as well as the city of Zagreb with the tourist resorts at the Adriatic Sea. Since then, the traffic has waned significantly, but the D1 remains relevant as an alternative to the tolled highways.

Route description

North of Zagreb the D1 is mostly parallel to the A2 motorway up to the Krapina interchange, connecting to a number of the A2 interchanges directly or via connector roads. It also runs parallel with railway tracks in some sections running through hilly terrain. A part of the D1 state road is concurrent with other routes: the A2 motorway between Zaprešić and

Jankomir Jankomir () is a neighborhood in Zagreb, Croatia. It is located in the Stenjevec city district in the western part of the city, and is officially referred to as "Stenjevec - jug", with an area of and a population of 8,072. Jankomir is regarded ci ...

interchanges, the

A3 motorway This is a list of roads designated A3. Roads entries are sorted in the countries alphabetical order. * A003 road (Argentina), a road connecting the junction with National Route 9 and Camino de Cintura to Tigre * ''A3 road (Australia)'' may refer ...

between Jankomir and Lučko interchanges, the D3 state road between the A3 motorway Lučko interchange and

, the D6 state road in Karlovac, the D33 state road in Knin and the D219 state road in Sinj. Parts of the D1 have been upgraded to expressway (''brza cesta'') status. Currently two sections of the D1 are considered as such, since they comprise dual carriageways or are currently expanded to four traffic lanes: * an urban expressway in

, between the A1 motorway Karlovac interchange and Mostanje * an expressway in and near Split, between the A1 motorway Dugopolje interchange and Bilice roundabout in Split itself The northern part of the D1 in Karlovac is actually a slightly lower road category because there are several intersections with traffic lights which slow the traffic down. Parts of the road in

Lika Lika () is a traditional region of Croatia proper, roughly bound by the Velebit mountain from the southwest and the Plješevica mountain from the northeast. On the north-west end Lika is bounded by Ogulin-Plaški basin, and on the south-east by ...

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

Traffic volume

Traffic is regularly counted and reported by Hrvatske ceste, operator of the road. The D1 AADT and ASDT (average summer daily traffic) figure variations observed south of

are attributed to tourist traffic to various regions of Adriatic Sea coast in

Dalmatia Dalmatia (; hr, Dalmacija ; it, Dalmazia; see #Name, names in other languages) is one of the four historical region, historical regions of Croatia, alongside Croatia proper, Slavonia, and Istria. Dalmatia is a narrow belt of the east shore of ...

region of Croatia.

Road junctions and populated areas

Maps

Sources

External links