Yes I noticed them too, makes you wonder what all the millions in road tax being spent on
road tax isn't spent on the maintenance of local roads. Local roads are the responsibility of the council.
Road tax in any case only constributes in part to the maintenance and development of the road system.
You should complain to your councillor.
If the pot hole is big deep enough and wide enough to be a hazard to traffic, then the council couild find themselves in serious trouble in the event of an eccident-cyclists are p[articularly vulnerable, but other users too.