UK EV drivers using medical cannabis should be aware that ‘in charge’ rules...

https://claytonsimpressiveinsight.nexorafield.com/posts/do-police-accept-my-prescription-at-the-roadside-or-do-they-still-arrest-you

UK EV drivers using medical cannabis should be aware that ‘in charge’ rules mean they can face roadside drug tests even while parked and charging. The legal THC limit is very low—just 2 micrograms per litre of blood