Enda Brady: UK correspondent on the uptick in drug-drivers being arrested - Heather du Plessis-Allan Drive

Over in the UK, research shows more drug-drivers have been arrested than drunk drivers by some forces.

Data shows over 48 percent of roadside arrests were for drug-diving, with drink-driving figures reduced.

UK correspondent Enda Brady says younger generations were more likely to consume cocaine and cannabis than drink before getting behind the wheel.

LISTEN ABOVE

See omnystudio.com/listener for privacy information.