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Drink and Drug Driving

Driving whilst under the influence of alcohol or drugs can impair your ability to drive safely, putting yourself and others in danger.

If you are caught drink or drug driving, you will be disqualified. You will also receive a minimum 12-month driving ban, a criminal record, and a fine of up to £5,000.

What are the legal alcohol limits?

Each person responds differently to the amount of alcohol that it takes to reach the legal limit, there are several factors which can affect this, such as age, gender, metabolism, body type, what you have eaten, or even current stress levels.

The legally defined limits are:

  • 35 micrograms of alcohol in a 100 millilitres of breath
  • 80 milligrams of alcohol in a 100 millilitres of blood
  • 107 milligrams of alcohol in a 100 millilitres of urine

What if I am stopped on suspicion of...

drunk driving

You will be asked to provide a sample of breath at the road side.

If you fail this test, you will be arrested and taken to the police station where you will need to provide two further breath samples.

The lower of the two will then be used to decide if you are over the legal limit.

It is a criminal offence to refuse to provide a specimen of breath, blood or urine for the purposes of analysis.

drug driving
Officers can assess whether you have taken drugs by asking you to comply with a preliminary roadside drug test or through evidence of impairment.
Should you provide a positive result on a roadside drug wipe, or we have evidence of impairment at the time of driving, you will be arrested.

How do I report someone?

If you believe someone is currently driving under the influence of drink or drugs, call 999. 

Otherwise, you can report a suspected drink/drugs driver:

The following details will be useful when submitting a report:

  • Person's name and address
  • Car model and registration
  • Where the person drinks or what drugs you believe the person has taken