Alcohol BAC limits by licence type

In Queensland, Learner, Provisional and Probationary Licence holders are not permitted to drive after drinking any alcohol. They must have a zero blood/breath alcohol concentration (0.0 BAC) limit.

Open licence holders must have a BAC lower than 0.05. The same applies for supervisors of car and motorcycle learner drivers.

The following licence holders must also maintain a zero BAC when driving:

  • any vehicle weighing over 4.5 tonnes or an articulated motor vehicle. For example, a B-double or road train
  • a bus built or fitted to carry over 12 adults, including the driver
  • a vehicle carrying a placard load of dangerous goods
  • a taxi, limousine or public passenger vehicle
  • a tow truck, pilot or escort vehicle escorting an oversized vehicle
  • a vehicle being used by a driver trainer to give driver training or a specially constructed vehicle (including a tractor and motorcycle)
  • a class RE licence holder in their first year of riding

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