Limits by Country

Source data

Prescribed UK drink-driving limits by specimen

Sources checked

Three specimens, two sets of prescribed limitsPrescribed UK drink-driving limits by specimen
  1. 01
    Breath

    22 in Scotland and 35 in England, Wales and Northern Ireland, in micrograms per 100 millilitres. Source 1

  2. 02
    Blood

    50 in Scotland and 80 in England, Wales and Northern Ireland, in milligrams per 100 millilitres. Source 1

  3. 03
    Urine

    67 in Scotland and 107 in England, Wales and Northern Ireland, in milligrams per 100 millilitres. Source 1

Compare the two jurisdiction values within the same card. Breath uses micrograms. Blood and urine use milligrams.

Source 1 Source 2

Prescribed UK drink-driving limits by specimen

Each table row has its own specimen and measurement unit. The figures compare the same specimen across jurisdictions. They do not translate into a number of drinks.

3 records
Source
Breath, micrograms per 100 millilitres3522Source 1
Blood, milligrams per 100 millilitres8050Source 1
Urine, milligrams per 100 millilitres10767Source 1

Source links