According to a survey by the Institute of Advanced Motorists (IAM), 82 per cent of people now think it is acceptable for authorities to use speed cameras.

However 45 per cent think that raising income is still a main reason for their use, according to the results of the IAM's annual speed camera survey. Interestingly, the more prevalent speed cameras are in a given region, the less popular they are with local people.

Speed cameras are least popular in Wales where 32 per cent of people think their use is not acceptable. The survey also shows that Wales has the highest rate of people caught speeding – In the last three years 27 per cent of people were caught speeding or knew someone in the household who was caught speeding. Not for nothing was the previous Chief Constable of North Wales known as "The Mad Mullah of the Traffic Taliban."

Cameras are most popular in Scotland where only 15 per cent think they are unacceptable – but then only 14 per cent of Scottish people were caught speeding or knew someone in the household who was.

In England, 19 per cent of people were convicted or knew someone in their household who was caught speeding in the last three years. 20 per cent think their use is not acceptable.

Speed awareness courses are also popular – 72 per cent of people think that speed awareness courses are a good idea.

IAM chief executive Simon Best said: "Simply catching and fining drivers does not change drivers' awareness of the hazards of excessive speed. The popularity of speed awareness courses show that the public think training is the best option."