UK EV drivers using medical cannabis should know that ‘in charge’ rules apply...

https://sticky-wiki.win/index.php/Can_I_Drive_the_Next_Morning_After_Taking_Medical_Cannabis_at_Night%3F

UK EV drivers using medical cannabis should know that ‘in charge’ rules apply even when parked and charging. The legal THC limit is 2 micrograms per litre of blood. A roadside swab may lead to a blood test at a station, regardless of your prescription