Earlier quoted context omitted.
There are good reasons why someone might temporarily be breaking the speed limit, that are even accepted legal defences in some countries (if you have enough proof). Biggest one is just merging / changing lanes. Often you have to go 10 or 20 over the limit to merge without impeding a lane of traffic. I sometimes see people stopping(!) at the end of a merging lane when there was a perfectly good gap they could have go…
In the UK there is no legal tolerance for going over the speed limit to overtake or merge. The only defence (and not even technically a defence) is that there was some emergency/duress. Some police might individually tolerate it, but it won't get you out of a fine and you'd almost certainly immediately fail your test. I'm actually kind of shocked to read that a (presumably European?) country would tolerate going 30kp…
Re: Plans to cut speed limits ‘will significantly improve road safety' – minister
#91In the US, in some states, there can be many miles of road with no posted speed limit signs. Unless you're already familiar with the area, or there's other traffic on the road you can match speeds with, about the best you can do is guess what speed to go.