It can depend, typically when someone talks about “Class 1” they're referring to a Category C+E Class 1, articulated lorry licence. Licence categories changed in the early 1990s to bring the U.K. into line with the rest of Europe. Some of the main categories include:
- Category D1 & D1+E
- Category C1 & C1+E
- Category C / Rigid
- Category C+E / Articulated
