Originally Posted by
the mk1 kid
Is that the only picture they sent you - it doesn't even show the road, let alone markings!?
With the van being parked outside the 30, and the photo being quite inconclusive as to your position on the road i'd be sorely tempted to fight it myself...
The distance is shown on the pic received by the OP - 96.7m.
Originally Posted by
xr2mk2turbo
they also put them after bends coming from a 60 to 30 so you have no notice and burrying the brake with a truck or something behind you is just dangerous.
Funnily enough thats just what they've done here.
Pic further back...... 30 sign is highlighted. It can only been seen now because the google car camera is so high, the place sign obscures it at normal car height!

This is going to sound like teaching people to suck eggs, but IMO if you come round a bend and are going too fast to slow down for a change in speed limit, then you're also going too fast to stop in an emergency.
Other cues act as warnings for speed limit changes, or the possibility that something will be in your path; for example in that ^ picture the speed limit sign may normally be obscured but there's the junction warning sign (a junction on or just after a bend) and there are rooftops visible over the hedges in the near-distance. The location sign looks as though it's brown, usually associated with "attractions." Those are three warning signs that you should perhaps slow down in case of dawdling or turning traffic, and should also expect a change in speed limit.
If you've got somebody tailgating/close behind you then again the correct course of action is to slow down, as this gives you more chance and room to brake for two if required.
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Looking on the web site
http://www.gosafe.org/en/content/cms...wareness-cour/ which covers the Welsh SCPs it appears they offer driver education courses for "low level" offenders, which at least means you don't gain points.