A helpful comment below by @dhesive_wombat mentioned: > The Highway Code doesn't have the force of law. I would imagine it's the case that driver's education/

A helpful comment below by @dhesive_wombat mentioned: > The Highway Code doesn't have the force of law. I would imagine it's the case that driver's education/training must (or is more likely to) adapt curriculum to cover things in the Highway Code. And if so, this def seems the right approach. Making things illegal seems much less effective than making things habit.