When you do the Road Rules Knowledge Test (Heavy Vehicle Combination), you will have to answer 45 questions drawn from those 350 training questions. All questions must be answered correctly for Alcohol and Drugs, Intersections, Seat Belts, Load Restraint General and Heavy Vehicle Work Diary. One question is allowed to be answered incorrectly in each category of Car General, Driving General, Rigid Vehicle General and Multi Combination General. In total you are allowed a maximum of four incorrect answers.
| Category | Number of questions | Maximum number wrong |
|---|---|---|
| Car General | 13 | 1 |
| Alcohol and Drugs | 3 | 0 |
| Intersections | 2 | 0 |
| Seat Belts | 1 | 0 |
| Driving General | 9 | 1 |
| Rigid Vehicle General | 5 | 1 |
| Multi Combination General | 5 | 1 |
| Load Restraint General | 4 | 0 |
| Heavy Vehicle Work Diary | 3 | 0 |
| Totals | 45 | 4 |
