New Zealand will begin random roadside drug testing in early 2023, including for THC.

The move comes after the Land Transport (Drug Driving) Amendment was passed, giving police the power to conduct random oral fluid testing.

The legislation also determines blood infringement thresholds and criminal limits for 25 common drugs.

Transport minister Michael Wood said it would help to reduce serious harm on the roads and had been “carefully developed” based on available scientific evidence.

Prior to launching Cannabiz, Martin was co-founder and CEO of Asia-Pac’s leading B2B media and marketing information brand Mumbrella, overseeing its sale to Diversified Communications in 2017. A journalist...