There is a pothole or sunk inspection cover.
Reported via mobile in the Potholes category anonymously at 18:16, Monday 13 September 2021
Sent to Cardiff Council less than a minute later
There is a pothole on the southbound, right-hand lane near the centre line of the road. It's a busy road so have not been able to stop to photograph but I have now caught my drivers side wheel several times in this pothole and it really catches the wheel so must be quite severe.
Provide an update