There is a lot more to driving than just getting behind the wheel, and when it comes to speeding, it's something everyone worries about.
The thought of getting a ticket and trying to work out if you were doing slightly over the limit can be a bit alarming. With Police Scotland having issued a warning to motorists, pedestrians and cyclists amid a change to the Highway Code, it can be handy knowing how the rules work.
So in order to see what goes on behind the scenes - and to dispel any myths - North Wales Live spent the day with Go Safe Casualty Reduction Officer Gareth Thomas.