Prescribed cannabis doesn’t grant road immunity. Even with a medical defence,...

https://evpowered.co.uk/feature/medical-cannabis-and-uk-driving-laws-what-ev-owners-must-know/

Prescribed cannabis doesn’t grant road immunity. Even with a medical defence, the 2µg/L THC limit remains. You must still meet DVLA fitness-to-drive standards; legal status isn’t a pass for impairment. Remember: legality doesn’t replace your duty of care.