There is a 50% chance of someone dying in a car crash if they're going at 50km per hour but not wearing a seatbelt.
The RSA are reminding people to be careful on the roads when travelling over the Christmas period.
9 people have died on our roads in the past week.
CEO of the Road Safety Authority Moyagh Murdock says that some people think they're invincible on the roads, but that everybody is vulnerable;