Lights
All motor vehicles must use their passing lights when travelling on all roads, even in daylight. Fog lights can be used when visibility is reduced to less than 50 metres. Foreign drivers are recommended to carry a spare set of electric bulbs for their vehicle (compulsory for residents).
Winter equipment
From 15 November to 15 March and, beyond these dates, during winter weather conditions (e.g. during snowfalls, black ice, etc.) private cars and vehicles up to 3.5 t must have winter equipment as follows:
- winter tyres on all four wheels or
- summer tyres on all four wheels + snow chains in car boot
In both cases, the minimum tyre tread depth must be 3 mm. Vehicles over 3.5 t must have winter tyres at least on the driving wheels or summer tyres on all four wheels + snow chains in car boot.
This regulation now applies to vehicles with foreign registration plates but only during winter weather conditions (e.g. during snowfalls, black ice, etc.)
Alcohol
Permissable blood alcohol levels:
driver of a private car or motorcycle: 0.05%
professional driver: 0%
Anyone suspected of driving or attempting to operate a vehicle when under the influence of alcohol or drugs must submit to a breath test or a medical examination.
Dimension and weight restrictions
Vehicles circulating in Slovenia must not exceed the following dimensions and weight:
- Length:
- private car - 6 metres
- caravan with one axle - 6 metres
- caravan with two axles - 12 metres
- car and caravan - 18.75 metres
- coach, lorry - 12 metres
- towing vehicles with semi-trailers - 16.5 metres
- vehicle combination (2 or 3 vehicles)- 18.75 metres
- Width: 2.55 metres
- Height: 4.2 metres
- Total permitted weight 40 tonnes
- Axle weight for all types of motor vehicle, with or without trailer, provided that the weight does not exceed
- per single axle - 10 tonnes
- per double axle - 18 tonnes
- per triple axle - 24 tonnes