[yorkie_chris]

The thing is, the scumbags who operate the camera vans know exactly where the decent overtaking spots* are, so will prioritise them.
It's the best way to get most value out of the motorist for their nonce mates who run the outsourcing companies who run the speed awareness courses.

Logic and safety are not factors in this.



*I'm sorry I must have meant accident black spots. Like the one near halifax where loads of people crash when it snows and they confuse "excessive speed for the conditions" with "speeding". Obviously what you need to avoid a load of 10mph fender benders is to reduce the limit to 40 and put a gimp in a van there...