Cross City
Member
Well no obviously not, and the inaccuracy/discrepancy in consumer market speedometers will be more than 2mph anyway.Driving at (say) 58 on a good-quality 60mph road is unlikely to be seen as 'not making good progress', I would suggest.
So, in mid-Wales, you have a narrow country lane - Single Track Road with a few passing places, high hedgerows and hence low visibility.
This road is classed as a "National Speed Limit" road - so, the limit is 60mph.
It's a lovely sunny summer's day - conditions are perfect for a nice country drive and if you were on the M50, you'd be absolutely fine at hitting 70mph.
Would you drive at 60mph along this lane? No you would not and if you attempted to in a driving lesson/test, you would almost certainly be removed from driving the vehicle for endangering the life of your instructor/examiner.
I wouldn't even drive at 60mph along some of the A roads in Berkshire even though that is the "limit" because it purely isn't safe to do so even in perfect conditions.
Taking another example, the slip-roads on J10 of the M4 are technically a 70mph limit - I'm not sure I'd want to do 70 around them due to the curvature - are you saying I should?
I'm not sure where I said that I'd expect anyone to drive at 60mph on a very narrow country lane?
By "conditions" I didn't mean just weather. I meant quality of road, safety of the road, time of day etc.