Quick Answer

In England, Wales and Northern Ireland: 80mg of alcohol per 100ml of blood, 35 micrograms per 100ml of breath, or 107mg per 100ml of urine. In Scotland: 50mg per 100ml of blood (lower than the rest of the UK), 22 micrograms per 100ml of breath. The safest approach is not to drink any alcohol before driving — even small amounts affect reaction time.

Quick Answer

There is no safe unit number for driving. The drink drive limit in England and Wales is 80mg/100ml blood, but how many units this equals varies enormously by person, weight, sex, food consumed, and metabolism. As a rough guide, the NHS says men may be over the limit after 2 pints of normal-strength beer (4.4% ABV) and women after 1.5 pints — but this is highly variable. The only safe answer is zero units.

Quick Answer

The NHS guidance is that the average man may be over the England/Wales limit after just 2 pints of regular beer and the average woman after around 1.5 pints. These are averages only — your actual limit depends on your weight, age, what you have eaten, and your individual metabolism. The only guaranteed safe approach is to drink nothing if you are driving.

Quick Answer

Your body processes approximately 1 unit of alcohol per hour. A pint of strong beer (5.2% ABV, 3 units) takes around 3 hours to clear. A bottle of wine (9 units) takes around 9 hours to clear. Sleeping does not speed up the process. You may still be over the limit the morning after a heavy evening. Coffee, food, and water do not clear alcohol faster — only time does.

Quick Answer

The legal limit for cannabis (THC) in blood in England and Wales is 2 micrograms per litre. THC can remain detectable in blood for up to 12 hours after use in occasional users, and potentially much longer in frequent users. The safest approach is not to drive for at least 12 hours after using cannabis. Drug driving carries the same penalties as drink driving: minimum 12-month ban, unlimited fine, criminal record.

Quick Answer

There is no safe time period that applies to everyone. THC stays in the body longer for regular users. UK police use roadside drug testing kits that detect THC. A positive test leads to a blood test — if above the 2 microgram limit you face prosecution. Unlike alcohol, there is no general guidance on a “safe window” — the only safe approach is not to drive after using cannabis.

Quick Answer

Most penalty points stay on your licence for 4 years from the date of the offence. Points for more serious offences (drink driving, causing death by dangerous driving) stay for 11 years. Points are visible to insurance companies for the entire period they are on your licence. New drivers lose their licence if they accumulate 6 or more points within 2 years of passing.

Quick Answer

If you accumulate 12 or more penalty points within 3 years, you face a totting-up disqualification. A magistrates’ court will disqualify you for a minimum of 6 months. You can argue exceptional hardship to avoid or reduce the ban, but this is not guaranteed. New drivers lose their licence at just 6 points within the first 2 years.

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At the roadside: £300 fixed penalty and 6 penalty points (IN10 conviction). At court: an unlimited fine and a discretionary driving ban. Police can also seize your vehicle immediately. The IN10 conviction stays on your licence for 4 years and significantly increases future insurance premiums.

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Not automatically. Driving Other Cars (DOC) cover used to be included in most comprehensive policies but is now rare. Check your policy documents specifically — if DOC cover is included, it typically provides third party only cover on another car. Never assume you are covered to drive someone else's vehicle without checking your policy first.

Quick Answer

You can drive once your vision meets the legal standard — reading a number plate from 20 metres. Most people can drive within 24 hours to a week of cataract surgery, but you must check with your surgeon. Do not drive until your surgeon confirms you meet the eyesight standard and you feel safe to do so. There is no fixed legal waiting period — it is based on individual recovery.

Quick Answer

You must stop driving immediately after a stroke or TIA (mini-stroke) and notify DVLA. For a car licence: you can usually drive again after 1 month if you have made a satisfactory recovery, confirmed by your doctor. For a bus or lorry licence: at least 12 months off driving is required. You must inform DVLA — failure to do so is a criminal offence.

Quick Answer

Yes — you can drive with one eye (monocular vision) in the UK if you meet the visual field requirements. You must notify DVLA of the condition. DVLA will assess whether your remaining vision meets the legal standard. If approved, a restriction code may be added to your licence. Driving without informing DVLA of a medical condition that affects your driving is illegal.

Quick Answer

You can drive a car if you have been seizure-free for 1 year, or have had only sleep seizures for 3 years. You must notify DVLA of your epilepsy. You cannot hold a bus or lorry licence if you have epilepsy. If you have a seizure while holding a driving licence, you must stop driving immediately and tell DVLA.

Quick Answer

Even small amounts of alcohol affect: reaction time (slowed), risk assessment (impaired judgment), coordination (less precise steering and braking), vision (narrowed field and slower eye movement), and confidence (over-confidence leads to greater risk-taking). Drink drivers are 3–7 times more likely to be involved in a fatal collision than sober drivers.

Quick Answer

Eco-safe (fuel-efficient) driving achieves: reduced fuel consumption (typically 10–15% less fuel), lower CO2 emissions, reduced wear on brakes and tyres, smoother and safer journeys, and lower running costs. The key techniques are anticipation, smooth inputs, early gear changes, and maintaining steady speed.

Quick Answer

Before entering a tunnel: switch on your headlights (required in UK tunnels), remove sunglasses, check your fuel level, tune your radio to the tunnel frequency if signed, increase following distance, and reduce speed to the tunnel limit. In the event of a breakdown: switch on hazard lights, pull over if safe, switch off engine, leave vehicle via marked exits, and call emergency services.

80mg of alcohol per 100ml of blood in England, Wales and Northern Ireland. 50mg per 100ml in Scotland. The safest approach is zero alcohol before driving.

There is no safe unit number. Individual metabolism varies hugely. The NHS suggests the average man may be over the England/Wales limit after just 2 pints of regular beer. The only safe amount is zero.

Your body clears approximately 1 unit of alcohol per hour. A pint of strong beer (3 units) takes about 3 hours. A bottle of wine (~10 units) takes about 10 hours. Sleeping and coffee do not speed up the process.

Most points stay for 4 years from the offence date. Drink and drug driving points stay for 11 years. Accumulating 12 or more points within 3 years typically results in a minimum 6-month ban.

If you reach 12 points within 3 years, a court will usually disqualify you for at least 6 months (totting-up). You can argue exceptional hardship, but disqualification is the standard outcome.

£300 at the roadside plus 6 points (IN10). Unlimited fine at court plus possible driving ban. Police can seize your vehicle immediately.

Once your surgeon confirms your vision meets the legal standard (reading a number plate from 20 metres). Usually possible within 24 hours to 1 week. No fixed legal waiting period.

Yes, if DVLA confirms your remaining vision meets the visual field requirements. You must notify DVLA of the condition.

The legal THC limit is 2 micrograms per litre of blood. THC is detectable for up to 12 hours in occasional users, longer in regular users. The only safe approach is not to drive after using cannabis.

You must stop driving immediately and notify DVLA. For a car licence: usually resume after 1 month if your doctor confirms satisfactory recovery. Bus/lorry licence: minimum 12 months off.