The tropical climate, geography, and absence paved roads make driving in Papua New Guinea not simple. Foreigners may drive in Papua New Guinea with their European Union driver licenses or International Driving Permits for one month.  
Travelling on highways outside the major cities can be dangerous. Roads in countryside are in bad conditions. During the rainy season landslides occur on some roads. Moreover, there are common armed car-jacking and locals sometimes throw stones at cars.

The main road traffic rules:

• The legal age for driving is 18.
• Driving is on the left side.
• Drivers and passengers must fasten seat belts.
• The speed limits are 60 km/h (37 mph) in towns and 75 km/h (47 mph) in countryside.
• The maximum permissible level of alcohol in blood is 0.08 %.

Additional information:

• Police roadblocks regularly check vehicle registrations in Port Moresby at night.
• Crowds can react emotionally to road accidents. They can attack with stones those, who are supposed guilty, or burn vehicles.
• Relatives and friends of an injured party can demand of compensation irrespective of legal liability. People who get accident should go to the nearest police station instead of staying at the place of accident.
• There are petrol stations in all provincial areas. Credit cards are not generally accepted there.
• Any driver have to keep your driving license with you all the time. 
• A foreign driver must have a valid International driving license for renting and driving a car. The price of a rental car is high.
  
• Foreign drivers can use their International driving permits for first three months after entering to Papua New Guinea.