UK speeding offences are defined by endorsement codes which remain on your licence for four years after the offence.
SP10: Exceeding goods vehicle speed limits
Goods vehicles are divided by the law into two groups:
Under 7.5 tonnes maximum laden weight
It is an offence to exceed 30 mph in built up areas, 50 mph on single carriageways, 60 mph on dual carriage ways and 70 mph on motorways in this type of vehicle.
Over 7.5 tonnes maximum laden weight
It is an offence to exceed 30 mph inbuilt up areas, 40 mph on single carriageways, 50 mph on dual carriageways and 60 mph on motorways in this type of vehicle.
SP20: Exceeding the speed limit for type of vehicle (excluding goods or passenger vehicles)
This offence refers to vehicles such as tractors or road maintenance machinery exceeding the speed limit which is fairly uncommon, making this an unusual offence to be charged with.
SP30: Exceeding statutory speed limit on a public road
It is an offence to exceed the national speed limit set for the type of carriageway driven on an type of vehicle driven in.
SP40: Exceeding passenger vehicle speed limit
A passenger vehicle is defined by the DVLA as a vehicle which has more than eight seats and depending on weight and length have different speed limits.
SP50: Exceeding speed limit on a motorway
It is an offence to exceed the motorway speed limit set for the type of vehicle driven.