"
The RAC Foundation motoring group, which published the figures today, said drivers wanted “understandable rules and fair enforcement”.
"
http://www.edinburghnews.scotsman.com/news/transport/city-s-parking-profits-soar-to-19-3m-1-4412816
Of course there is a difference between "understandable rules" and understanding the rules! (Obeying them too..)
Perhaps the RAC is planning to run a 'stick to the rules' campaign.
Think I'll avoid the comments.