The functions of RTA are to:
  • establish, administer and enforce regulatory requirements for land transport in Papua New Guinea, including setting fees and charges for services provided by the Authority;
  • within the resources available to the Authority, provide for the safe and efficient use of land transport in Papua New Guinea;
  • assist, advise and work cooperatively with the Police Force, Provinces and other organizations in relation to land transport regulatory matters, road safety and the efficient use of land transport;
  • monitor the road safety performance of the public road network and to develop and implement action plans for improvements;
  • manage data for activities within the land transport system including maintaining and preserving records, registers and documents in relation to the activities;
  • undertake investigations into land transport accidents and incidents and report to the Minister and the public as to the findings of such investigations;
  • promote and conduct research into land transport regulatory matters and road safety;
  • monitor and evaluate the effectiveness of programs and activities concerning land transport regulatory matters and road safety;
  • promote and conduct educational and awareness programs to stimulate compliance with land transport regulatory requirements and road safety;
  • advise the Minister on all functions specified in this section;
  • perform other functions as are given to the Authority under the Road Traffic Act, the regulations, the rules or any other law;
  • do all things incidental, consequential or convenient in the exercise of the Authority's functions and powers.
The Authority’s statutorily independent functions are to:
  • issue, endorse, alter, renew, suspend or revoke any land transport document or other authorization under the Road Traffic Act, the Regulations or the Rules;
  • grant exemptions under the Road Traffic Act, the Regulations or the Rules;
  • enforce the provisions of any law conferring functions on the Authority.