Police forces in the eastern region have launched their Christmas drink drive campaigns.
There will be increased patrols throughout December, testing for drivers who are under the influence of alcohol or drugs.
A conviction could mean a prison sentence, a driving ban, and an unlimited fine.
Watch a short clip with Sgt Danny Parsons from Essex Police.
- In Essex nearly 650 people have been arrested on suspicion of drug driving in the last 12 months.
- Almost 1,100 people have been arrested on suspicion of drink driving.
- 12 % of all collisions in Essex in the last year involved a driver who tested positive for drink driving.