A traffic accident in front of the Sveti Rok tunnel on the A1 in the direction of Dubrovnik has caused slow-moving queues, with increased traffic and delays recorded across Croatia, from highways to Adriatic access routes.
A traffic accident in front of the Sveti Rok tunnel on the A1 motorway in the direction of Dubrovnik, which occurred on Monday, August 10, 2026, is the main trigger for the long, exhausting queues that caught drivers on their way to and from the coast. The Croatian Automobile Club (HAK) has confirmed in its latest report that pressure on Croatia's most important road is simultaneously building from multiple directions, creating a perfect storm for everyone who found themselves on the road that day.
The chain reaction of slowdowns triggered by the accident has not remained isolated to one section. On the A1, between the Rovanjska interchange and the Čelinka tunnel in the direction of Zagreb, the queue has already stretched to about 2 kilometers, while between the Lučko toll plaza and the Bosiljevo 2 interchange, in both directions, traffic is moving in queues with occasional stops. In front of the Demerje and Lučko toll plazas, also in the direction of the capital, the tails of the queues reach approximately 1 kilometer.
The A3 Bregana-Lipovac motorway is not spared from the pressure spilling over from the A1. A queue about 1 kilometer long stretches towards the Lučko toll plaza from the direction of Buzin, further burdening the already congested approaches to Zagreb. At the same time, the Istrian Y is experiencing significant delays and queues on the section between the interchange and the Učka tunnel.
The island of Krk, meanwhile, takes its hit via the Krk Bridge, where traffic in both directions is moving with difficulty. In the direction of the island, the queue starts already at the Kraljevica interchange, while those returning to the mainland wait from Njivice. Increased traffic is also felt on the D8 Adriatic Highway, especially on the approaches to tourist destinations along the coast, where local congestion merges with the transit wave.
HAK has also reported waiting times for passenger and freight traffic at certain border crossings with Bosnia and Herzegovina, Serbia, and Montenegro, further complicating the situation for those traveling outside the country.
Tuesday, August 11, 2026, offers no relief, quite the opposite. According to HAK's forecast, slow driving is expected on city roads and bypasses during the morning and afternoon, with stops and queues particularly threatening on the Zagreb bypass (A3) and the Rijeka bypass (A7). Problems are also expected on the A2 Zagreb-Macelj motorway, at the Zagreb zapad interchange, and on the A4 Goričan-Zagreb motorway, between the Popovec and Zagreb istok interchanges.
Weather conditions could pose an additional challenge for drivers. From mid-day, local showers with thunderstorms are possible, especially in Istria and Gorski Kotar, which will make the roads wet and slippery. HAK appeals to drivers to adjust their speed and driving style to the road conditions and to pay special attention to the safety distance between vehicles.
