From tomorrow gardaí will be able to test drivers for drugs on the roadside.

They'll be testing for cannabis, cocaine, opiates and benzos.

If you're found over the limit you could lose your licence for between one and four years.

Gardai can now test drivers for drugs at the roadside. One in ten fatal crashes involves drug use pic.twitter.com/koL4chb1gr

— Sean Defoe (@SeanDefoe) April 12, 2017

Figures suggest that one in ten fatal crashes on our roads involve drugs.

Moyagh Murdoch from the RSA says unlike alcohol there's no way to know how much is in your system, and when it might be safe to drive.