You might feel like there is little harm in having a few drinks at a social event and then getting into your car to drive home. But this behaviour puts the safety of other drivers and pedestrians at risk, not to mention your own.
Added to this, drivers who have too much alcohol in their systems will face the wrath of the law: being over the limit could mean facing up to six years in jail.
With road safety in mind, here's a guideline to how consuming alcohol affects your driving ability: