When driving round a sharp bend on a roadway where the speedlimit is 50mph you are told by the roadsigns-
"It is recomended that you drive at 40mph or less but with an absolute maximum of 50mph".
DFC
Most corner limits are advisory its only the ones with Red surrounds which are compulsory
If advisory foot hard down and see how much quicker than the advisory speed you can make the corner
Pace sorry couldnt resist my jest