Legal medical cannabis isn't a free pass. You’re still bound by the 2μg/L THC...

https://www.mediafire.com/file/rkpx0pv3x6lgq5k/pdf-25878-69659.pdf/file

Legal medical cannabis isn't a free pass. You’re still bound by the 2μg/L THC limit and DVLA fitness standards. While a medical defence exists, it doesn’t override impairment. Legality never replaces your primary duty to ensure you’re safe to drive.