UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules,...

https://tango-wiki.win/index.php/Is_Exceeding_the_THC_Limit_an_Offence_Even_If_I_Drive_Perfectly%3F

UK EV drivers using medical cannabis should be aware of the ‘in charge’ rules, which apply even when parked and charging. The 2 micrograms per litre THC limit means a roadside swab could trigger a blood test, regardless of prescription