Alcohol & Drugs

Question 1 of 20

Alcohol & Drugs DKT Practice

Alcohol is a depressant. This means


BAC Limits in NSW

Licence Type Legal BAC Limit
Learner / Provisional (P1 & P2) 0.00%
Full Licence Under 0.05%
Commercial Drivers (e.g., taxi, bus) 0.00%

Exceeding these limits can lead to immediate licence suspension, fines, and other penalties.


How Alcohol Affects Your Driving Ability

  • Slower reaction times - you'll experience delays in responding to hazards.
  • Impaired judgment - it will be difficult to making safe decisions.
  • Reduced coordination - steering and braking effectively will be challenging.
  • Decreased concentration - focusing on the road and surroundings will be difficult.
  • Overconfidence - you will underestimate risks and overestimate your abilities.

How Long Does Alcohol Stay in Your System?

For the average person, it takes about 1 hour per standard drink for your body to process alcohol. However, this can vary based on factors like body weight, gender, and metabolism.

Common myths like drinking coffee or taking a cold shower DO NOT speed up this process.


Zero BAC Rules: Who Must Comply?

  • Learner drivers (L plates)
  • Provisional drivers (P1 and P2)
  • Drivers of heavy vehicles, taxis, buses, and vehicles carrying dangerous goods

These drivers must maintain a 0.00% BAC at all times when driving.


Drug Driving

  • Zero tolerance - driving with ANY detectable amount of illicit drugs in your system is illegal in NSW.
  • Random roadside drug testing - police can test you for cannabis, MDMA, cocaine, and methamphetamine at random.
  • Penalties - fines include (but are not limited to) up to $2,200 and licence disqualification for a minimum of 3 months for a first offence.
  • Medicinal cannabis - driving with THC in your system is currently illegal in NSW, even with a prescription.

Penalties for Driving Under the Influence

Offence Penalties
Low-range PCA (0.05–0.079%) Fine up to $2,200, licence disqualification, possible interlock device installation.
Mid-range PCA (0.08–0.149%) Fine up to $2,200, licence disqualification, mandatory interlock program, possible imprisonment up to 9 months.
High-range PCA (0.15% and above) Fine up to $3,300, licence disqualification, mandatory interlock program, possible imprisonment up to 18 months.
Drug Driving (first offence) Fine up to $2,200, licence disqualification for a minimum of 3 months.
Combined Drink and Drug Driving Harsher penalties, including higher fines, longer disqualification periods, and possible imprisonment.

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