I'd say put some yellow lines down, but even that won't stop some people.. maybe some more serious fines and all proceeds going to charity. If they keep doing it? Ban them from driving for a day..week..month or more. Roads are bad enough as it is and all they're doing is making it worse..
This is why I wouldn't cycle.. you literally have to have eyes up your ass, and think for other people. You are constantly on the receiving end of mindless abuse including illogical rants about non-existent "road tax". It's very dangerous and frustrating and it's made all the worse by the attitude of the government towards people on bikes. And this will only get worse as more people come to live here. The system needs an overhaul including the Highway Code to make it clear to everyone: cyclists are equals.
Very impressed with there driving skills.