Prescribed medical cannabis doesn’t grant immunity on the road. While a...

https://www.4shared.com/office/4hExEGiDku/pdf-94952-99400.html

Prescribed medical cannabis doesn’t grant immunity on the road. While a statutory medical defence exists for the 2µg/L THC limit, you must remain fit to drive. The DVLA requires you to declare any condition that could impair your ability behind the wheel