UK EV drivers using medical cannabis should know the ‘in charge’ rules mean you...
https://www.bookmark-zulu.win/uk-ev-drivers-using-medical-cannabis-should-be-aware-of-the-in-charge-rules
UK EV drivers using medical cannabis should know the ‘in charge’ rules mean you can be tested even when parked and charging. The legal limit is 2 micrograms per litre of THC