I'm told there is a north south split on the 20s. I find they are largely complied with in north Wales but I'm told by someone who lives in Cardiff that it's largely ignored there.
My experience from a week in South Wales last week is that it’s a total shambles there.
At the beginning of the week I made an attempt to observe 20mph, not because I agree with it but just to make life easier.
After a couple of days I gave this up, as I was sick of being tailgated or, worse, overtaken, to an extent where I felt it was becoming hazardous.
On top of that, there seem to be so many changes of speed limit that it was becoming difficult to keep on top of what the speed limit actually was. In some places it seemed you could barely drive 500 yards without a speed limit change.
The only place 20mph seemed to be observed was where there were average speed cameras, and even there there was an element of tailgating.
I found it a thoroughly unpleasant experience, and a demonstration of what happens when politicians implement something that isn’t respected by the population.
I don’t agree with the notion that it doesn’t matter if people don’t drive at 20 mph as long as it means they’re not now doing 40 mph. What that means in practice is firstly you now have vehicles doing all different speeds, which is conducive to problems. But it also totally penalises those who would previously have quite happily complied with 30 mph, both in terms of making everything an awful experience due to the tailgating, and also if they do decide to drive more akin to the prevailing speed are having to spend the whole time either scanning for cameras or putting themselves at risk of a fine.
The whole thing felt like yet another example of the unwritten “contract” between people and politicians having been broken, which seems to be the cause of so many problems in this country nowadays.