UK EV drivers using medical cannabis should stay aware of ‘in charge’ rules...

https://wiki-canyon.win/index.php/Do_Police_Accept_My_Prescription_at_the_Roadside_or_Do_They_Still_Arrest_You%3F

UK EV drivers using medical cannabis should stay aware of ‘in charge’ rules that apply even when parked and charging. The legal THC limit is 2 micrograms per litre of blood, and having a prescription doesn’t guarantee safety