Use order in the territory of Spain of foreign driver licenses is regulated by the “Main regulation of drivers”. Foreign drivers can drive in Spain with their National driving permits and International driver licenses no longer than six months. After this term, foreigners must obtain Spanish driver licenses. 

Non-residents can apply for tourist registration plates; this allows foreigners to drive in Spain with their registration plates for six months per year (for private using only). In the case of the first offence, visitors will be given five days to start the car registering process. Customs will be informed. In the case of the second offence outside of those five days, if visitors don’t have proof of the registry process has started he/she will be fined. Customs will be informed and the vehicle will be taken to your residence and clamped.
 
The basic requirements for drivers in Spain are:
  • Driver license, ownership or rental car documents, and insurance (third-party insurance) must be carried while driving;
  • Minimum driving age is 18 years;
  • Traffic flows on the right side of the road;
  • Seat belts are worn by drivers and all passengers in front and back seats;
  • Blood alcohol levels are 0.5 mg of alcohol per millilitre of blood;
  • Two warning triangles and reflective vests for all occupants must be in any car all the time; they must be used in case of accident or car problems;
  • First-aid kit and fire extinguisher are recommended;
  • Drivers must aid accident victims if they are the first on the scene;
  • Cell phone may only be used with hand free device, but it is not allowed to have earpiece attachments;
  • Using of screen-based navigation systems is prohibited;
  • Parking next to a yellow line is forbidden;
  • Wearers of spectacles should have a spare pair;
  •  Children under 12 years of age must sit in the back seats of a car;
  • Children and babies must use appropriate (age, weight) safety seats;
  • Radar detectors are prohibited;
  • Headlamp converters are required;
  • Replacement bulb set is recommended;
  • It is not allowed to warn other drivers that police checkpoints are ahead;
  • For driving mopeds and motorcycles, helmets are required;
  • Children under 12 years of age are not allowed on motorbikes; children over seven may ride with adults;
  • The main rules of the roads are: “give way to the right” and “priority is to those already on a roundabout”;
  • Snow chains are recommended for driving during the winter in all mountainous regions of Spain.
If driver stops his car by the side of a highway or are stopped by the police, driver should put his fluorescent jacket on before  will get out of your car. If driver cannot prove that he has a Spanish address, traffic officers may ask him to pay a fine immediately as a tourist. Only traffic officers (the Guardia Civil) may ask you for money if you are fined. They are dressed in green with fluorescent waistcoats labeled "tráfico". Drivers have rights to call 112 and verify by whom you are fined.

Spanish roads which names begin with an ‘AP’ are toll roads. Speed limits on the Spanish roads are: on motorways – 120 km/h, on dual carriageways – 100 km/h; on single carriageway roads – 90 km/h; in cities and towns – 50 km/h.

In Spain, the main highways are well signed, but are unfamiliar with Spanish geography, you should have a good road map.
Spain Road Traffic Signs

 Driving Overseas - Short Information