| Built up Area (street-lit) | Single Carriageways | Dual Carriageways | Motorways | ||
| mph | mph | mph | mph | ||
| Cars & Motorcycles (Including car derived vans up to 2 tonnes maximum laden weight) |
 |
30 | 60 | 70 | 70 |
| Cars towing caravans or trailers (Including car derived vans and motorcycles) |
 |
30 | 50 | 60 | 60 |
| Buses & Coaches (Not exceeding 12 metres in overall length) |
 |
30 | 50 | 60 | 70 |
| Goods vehicles (Not exceeding 7.5 tonnes maximum laden weight) |
 |
30 | 50 | 60 | 70* *60 if articulated or towing a trailer |
| Goods vehicles (Exceeding 7.5 tonnes maximum laden weight) |
 |
30 | 40 | 50 | 60 |