Scheme similar to ARX, modified for UK.
| Class | Type | Axles | Grps | SP1 | SP2 |
|---|
| 1 | MCB | 2 | | 0.0 - 1.75 | |
| 2 | CAR | 2 | 1 - 2 | 1.75 - 3.0 | |
| 3 | LGV | 2 | 1 - 2 | 3.0 - 3.8 | |
| 4 | STOW | 3 - 5 | 3 | 1.75 - 3.8 | 1.75 - 50.0 |
| 5 | RIGID2 | 2 | 2 | 3.8 - 50.0 | |
| 6 | RIGID3 | 3 | 2 | | |
| 7 | RIGID4 | 4 - 20 | 2 | | |
| 8 | ARTIC3 | 3 | 3 | 3.8 - 50.0 | |
| 9 | ARTIC4 | 4 | 3 - 4 | | 0.0 - 1.75 |
| 4 | 3 - 4 | 0.0 - 1.75 | |
| 4 | 3 - 4 | 3.8 - 50.0 | |
| 10 | ARTIC5 | 5 | 3 - 5 | | 0.0 - 1.75 |
| 5 | 3 - 5 | 0.0 - 1.75 | |
| 5 | 3 - 5 | 3.8 - 50.0 | |
| 11 | ARTIC6 | 6 | 2 - 6 | | |
| 6 - 20 | 3 | | |
| 12 | BDBL | 7 - 20 | 4 | | |