Legal cannabis doesn't mean you're exempt from the 2mcg/L limit. A medical...

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

Legal cannabis doesn't mean you're exempt from the 2mcg/L limit. A medical defence exists, but you must still meet DVLA fitness standards. Legality isn't a free pass; you remain responsible for impairment. Don't let your health compromise your cover.