Pack a Lot of Patience for Your Journey

Friday, June 23, 2017 4:48:00 AM

At the beginning of the summer holidays and before the main tourist season, major congestion and increased traffic on Slovenian roads can not always be avoided. Increased traffic is expected throughout the entire summer, predominantly on roads towards the South of the country. Already established congestion can be expected on Fridays (afternoon) and Saturdays (morning) as the majority of travellers start their journey towards tourist destinations. On Sundays (afternoon), the traffic is mainly increased in the reverse direction. We advise drivers to avoid traffic peaks and to be very tolerant on their journey.

Heavy traffic and load are the reasons for increasingly deteriorated highways which have to be maintained and renewed. Good weather, longer days, and less congestion during the day in the summer remain the main reasons for this period to be the best for urgent roadworks despite the lower flow of traffic. Wherever possible on segments with roadworks, we try to maintain traffic on two lanes to ensure better traffic flow. Drivers can also help with reducing congestion by ensuring sufficient safety distance and considering traffic signalisation at the beginning of such segments. 

All drivers travelling in the following days and weeks are advised to be extremely tolerant. We are giving you some useful recommendations and information on where to expect major congestion.

Expected Congestion

Currently, two major maintenance works are taking place on Slovenian highways. The greatest congestion is expected on the A1 Primorska highway before the closure and between Unec and Postojna in both directions. Traffic on this more-than-6-kilometres-long section will run on two narrowed lanes in each direction during the entire time of the roadworks, until November.

Roadworks are also performed on the H4 highway between Ajdovščina and Vogrsko. From June to August, the two-way traffic on this section will run on a single lane in each direction. 

Next to renovation roadworks, regular maintenance works also take place on Slovenian highways. These are not set and are performed with regard to actual needs. We do our best to try not to perform these works in peak periods, though this is not always possible due to their urgency.

On the weekends, especially on Saturdays, heavy congestion is expected on sections of the Primorska highway, especially between Ljubljana and Postojna. Congestion and greater traffic concentration can also be expected at the end of the highway at Izola towards Portorož and the border crossing Sečovlje, as well as from the highway exit Koper towards the Dragonja border crossing where queues in the tourist season peak are usually the longest.

Next to that, personal vehicle congestion is expected before the Karavanke tunnel (on both sides) on weekends, and on Saturdays on the Ljubljana ring (west: from the Šentvid tunnel, passing the Brdo exit towards the Kozarje junction, and onwards to the Log or Vrhnika toll station) as well as at the end of the Drava Valley Motorway at Ptuj towards the Gruškovje border crossing.

On Fridays, heavy congestion is expected from early afternoon on the Ljubljana ring, as well as on Fridays (afternoon) and mainly on Saturdays (starting in the early morning) towards the Slovenian coast (the Primorska highway), on which traffic is increased in the reversed direction on Saturdays in the afternoon and evening.

The previous seasons show that on weekends, occasional congestion and increased traffic may also be expected on the Gorenjska motorway (Lesce, Bled), especially at the motorway exit from Ljubljana and on the regional road Lesce–Bled.

Border crossings

Due to the border controls being tightened, occasional longer queues are expected at the border crossings with Croatia. It is important to notice that despite all efforts of the police, the situation can quickly change or worsen. We advise drivers to plan the trip towards Croatia extremely carefully and to expect longer travelling time. Queues are also possible at all major border crossings with Austria and Italy. We recommend drivers first check the situation at the border crossings and use those with less traffic. The latest information on border crossing queues is also available on the web portal of the Traffic Information Centre (PIC).

The most congestion on the highway border crossings is expected on the Obrežje border crossing.

Outside the highway network, PIC reports that the following border crossings have the longest queues in the tourist season: Sečovlje (Portorož–Sečovlje), Dragonja (Koper–Dragonja), Starod (Kozina–Starod), Jelšane (Ilirska Bistrica–Jelšane), and Gruškovje (Ptuj–Gruškovje).

Austria also performs border controls on the Slovenian border which can further increase current congestion before the Karavanke tunnel and occasionally also at the Šentilj border crossing. 

Be alert for traffic peaks at unusual times

Congestion can also be expected in hours that are unusual for other seasons. Traffic is usually increased on Saturdays (morning), on Sundays (afternoon), but also on Wednesdays. If possible, we advise you to start a longer journey at off-peak times, i.e. in the evening, at night, or in the early morning.

The PIC data shows that in the tourist season, congestion also occurs on main roads related to the highway system and in the management of the Slovenian Infrastructure Agency:

  • Main road No. 11 (Koper–Šmarje–Dragonja),
  • Main road No. 111 (Izola–Portorož),
  • Main road No. 6 (Postojna–Ilirska, Bistrica–Jelšane),
  • Main road No. 7 (Kozina–Starod),
  • Main road No. 9 (Ptuj–Gruškovje).

Check the Road Situation before Your Journey 

We recommend drivers plan longer travel time and to choose in advance alternative routes or stops. If possible, we advise avoiding main tourist directions on Fridays (afternoon), Saturdays (morning), and Sundays (late afternoon).

Traffic information is available on the PIC website or, which is adapted for mobile phones. You can also monitor traffic via the free mobile application DarsPromet+.

All pieces of information acquired by PIC are sent ASAP to Radio Slovenia – First Channel, Val 202, and Radio SI. It is thus very useful to listen to the latter while on the road.

Weekly traffic reports (usually published on Thursdays or Fridays) are also published on the website:

On the Traffic Information Centre website, you can also check the traffic calendar which displays all predicted traffic congestion on Slovenian highways. These predictions are based on several years’ data on traffic congestions on Slovenian highways and might be very helpful when planning the trip.

Other Useful Recommendations

Keep all important things at hand

Make sure you have with you in the car an adequate amount of beverages, a good roadmap, medications, etc. Make sure that you have enough fuel and don’t put luggage on the trunk shelf since these items may hurt passengers in the case of collision or sudden braking. 

Drive with a moderate pace, plan your trip and stops

Heat may intensify health problems or fatigue; therefore, you should only drive if you are well-rested and healthy. Plan frequent rest stops for longer trips. Stretch and take a few steps. Do not forget about safety while ventilating the vehicle. If you leave your vehicle, lock it and close all windows.

Tyres wear more or become damaged more quickly with great heat or speed, especially if your car is heavily loaded.

If you travel abroad, make sure you are aware of all local regulations of the state you are passing through.

Be extremely careful of motorcyclists and cyclists.

Check weather forecast

Pay attention to any forecasts predicting a worsening of the weather. Driving conditions immediately change during rain showers and storms.

After a longer period of hot and dry weather, rain can make the road extremely slippery.

In the case of hail, do not stop in tunnels or under overpasses. This is extremely dangerous and may cost you a lot more than car repairs caused by hail.

Limitation of Cargo Traffic

The general limitation of cargo traffic in Slovenia for heavy goods vehicles (HGV) and other vehicles with maximum authorised total weight exceeding 7.5 tonnes for the tourist season period is between 23 June and 4 September 2017. In this period, driving is restricted (without proper authorisation) for all those vehicles on Saturdays from 8 a.m. to 1 p.m. and on Sundays, public holidays, and non-working days from 8 a.m. to 9 p.m., whereas additional restrictions apply for coastal roads: on Saturdays from 6 a.m. to 4 p.m. and on Sundays, holidays, and other free days from 8 a.m. to 10 p.m.

In case of an accident on a highway

On Slovenian highways, more accidents occur in the summer than in other seasons. The positioning of vehicles on highways in the case of a car accident has an extremely important effect on the rescuing of the injured. Therefore, it is very important to abide by the rules on placing your vehicle in such cases. In case of congestion, there must be enough space between the fast lane and the driving lane for an intervention vehicle to pass by. These are equipped with blue or yellow lights (rescuers, firemen, police, maintenance service, inspection services, etc.).

At road closures due to urgent road reparations or maintenance, all drivers are asked to:

  • Remain tolerant and understanding,
  • Adapt driving speed and ensure safety distance, which is important for the safety of other drivers and our workers,
  • Properly and timely merge onto one driving lane, 
  • Inquire about the state of the roads before starting the journey. Traffic information is available at the Traffic Information Centre via the number 1970, on the website, at @promet_si, and in our free mobile application DarsTraffic+ or DarsPromet+.
  • Drivers will help reduce congestion in the best way by driving past the closed section as smoothly as possible without viewing the construction site.

We wish you a safe and pleasant journey!

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