Traffic is dense in cities and on their detour roads.
Rock and land sliding is possible on the DC8 Adriatic road and in the mountain areas.
Drivers are invited to keep distance, to adjust the speed to road conditions and not to start the journey without winter equipment. The headlights have to be on during the day as well.
During the day difficulties can be expected in roadwork areas.
In Učka tunnel in Istria one lane is free only every night 10pm-6am till 24/25 February.
One lane is free only/traffic is flowing in reduced lanes on the following motorways:-A1 Zagreb-Split-Ploče at Božići viaduct in direction Split;
-A3 Bregana-Lipovac between Kutina and Novska junctions 118th-121st km in both directions;
-Rijeka detour road in the exit lane of Rujevica junction in direction Rupa till 16 March;
-A8 in Istria on the section Lupoglav-Učka tunnel.
Due to roadworks traffic is suspended:
-on the DC1 state road in Lučko and Stupnik (Zagreb);
-on the DC8 Adriatic road at Posedarje till 10 April;
-on the DC6 state road, section Glina-Dvor border crossing till 15 March, detour: Glina (DC37)-Petrinja-Hrvatska Kostajnica-Dvor;
-on the DC34 Valpovo-Josipovac state road;
-on the DC206 Valentinovo-Petrovsko state road;
-on the DC228 Jurovski Brod-Ozalj-Karlovac state road at Ozalj.
Traffic is regulated by traffic signals/one road lane is free only:-on the DC1 state road at Tušilović;
-on the DC1 Sinj-Klis Grlo state road at Dicmo;
-on the DC8 Adriatic road on the section Kaštel Stari-Kaštel Gomilica, at Podstrana, on the section Zaton Doli-Bistrina, at Srebreno;
-on the DC75 Poreč detour road, section Vrvari-Bijela;
-on the DC303 Rovinjsko Selo-Brajkovići-Kurili state road.
15 November 2016-15 April 2017 winter equipment is mandatory on the winter sections of the state roads in Croatia (it includes four winter tyres or four summer tyres with chains ready for use).
In outbound freight traffic there are delays at Bregana (the queue is 1 km long) and Pasjak.
Due to roadworks at Županja and Slavonski Brod border crossings delays can be expected.
At Harmica border crossing traffic is allowed for vehicles up to 7,5 tonnes only.