The Government says it'll roll out randomised roadside drug testing later this year.

Legislation's being introduced to allow Police to randomly screen drivers for drugs, similarly to testing for drink-driving.

Doing two roadside tests would make false positives less likely.

Transport Minister Simeon Brown says it's one of the biggest killers on our road.

"In the last 10 years, it's been, I think a third of deaths on our roads have been because of people who've taken drugs and driven. So that is something that we need to do everything we can to reduce."

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