Driving a truck or bus professionally in Ireland

• The truck theory test

  Category C format and marks, eligibility, and how the theory test fits the Driver CPC route.

  8 min read

• The Driver CPC case study test (truck)

  Three case studies, 45 questions, two pass conditions you must clear at the same time.

  7 min read

• Tachograph and drivers’ hours

  The heaviest topic in the category C test, and why reading a chart is a skill you have to practise.

  6 min read

• What to study for the truck test

  Where the weight sits across seven topic areas, and a plan for a two-hour paper.

  6 min read

• The bus theory test

  Category D format and marks, the age-21 rule, and how the theory test fits the CPC route.

  8 min read

• The Driver CPC case study test (bus)

  Three case studies, 45 questions, and two pass conditions you must clear at once.

  7 min read

• Carrying passengers safely

  The largest topic in the category D test, and the one with no car-driving equivalent.

  5 min read

• What to study for the bus test

  Where the weight sits across seven topic areas, and a plan for a two-hour paper.

  6 min read

Practise the real test shape

Truck & Bus Theory Ireland turns this material into practice: full 100-question category C and D mocks, the truck and bus module tests, the combined CD paper, and 45 Driver CPC case studies marked on both pass conditions.

See the appTry a free 10-question quiz

Independent guide: TritonApps is not affiliated with, endorsed by, or approved by the Road Safety Authority or the Driver Theory Test service. This page summarises published guidance for convenience and is not official advice. Always confirm current requirements and fees with the RSA before you book.