What is the speed limit for Sohal’s vehicle on a dual carriageway whilst he is driving it without a semi-trailer attached?

Explanation: • 56 mph: No, although this is the vehicles maximum speed because it will have a speed limiter restricting it to 90 km/h.
• 50 mph: No, this would be the speed limit for this type of vehicle on a single carriageway road in England or Wales.
• 40 mph: No, but this would be the speed limit for this type of vehicle on most single carriageways in Scotland.
• 60 mph: Yes, because it exceeds 7.5 tonnes maximum laden weight.

Category: CPC Case Studies: Speed Height Weight and Other Limits