At what blood alcohol concentration (BAC) can a driver in Ontario face the most serious impairment penalties?
Smart Serve: Impaired driving and carrying liquor
Ontario's 0.08 and warn-range limits, zero tolerance for young and novice drivers, roadside penalties, carrying liquor in a vehicle or boat and where liquor may be consumed.
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- Every answer explained
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- 17 questions
- Topic drill
Study reference: Ontario liquor law and AGCO guidance (Oct 2026), Ch. 13 Impaired driving — ontario.ca Impaired driving; LLCA ss. 40 to 43
All 17 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
At what blood alcohol concentration (BAC) can a driver in Ontario face the most serious impairment penalties?
- 0.05 or more
- 0.02 or more
- 0.08 or more
- 0.10 or more
Under the LLCA, which of these places may a person have or consume liquor (apart from closed containers)?
- A public sidewalk
- A city bus
- A school yard
- A residence
Under the LLCA, which liquor may be carried loose in a car's passenger area?
- Opened wine with the cork pushed in
- Any liquor, as long as it is in a closed travel mug
- Beer, if the driver is not drinking
- An unopened container with the seal unbroken
A 20-year-old patron with a full G licence says one beer is fine before he drives home. What BAC must he have when driving?
- Under 0.08
- Under 0.02
- Zero
- Under 0.05
Before a licensed pedal-pub (large quadricycle) tour departs, what must the licensee give passengers in writing?
- A full list of drink prices
- The dangers of operating a vehicle while impaired
- A waiver releasing the licensee from all liability for injuries
- A map of all the stops
A patron who has been drinking reaches for his car keys. Which option does Ontario recommend?
- Drinking coffee, then driving
- Waiting 15 minutes, then driving
- A taxi, transit or a designated driver
- Driving slowly on back roads
A patron leaves with a half-finished bottle of wine the restaurant resealed. How should it travel in the car?
- Tucked beside the driver's seat
- On the passenger's lap
- Packed in closed baggage out of easy reach
- In the cup holder, since it is resealed
Besides cars and trucks, Ontario's impaired driving laws also apply to operators of which of these?
- Only farm tractors on private land
- Only bicycles
- Boats, snowmobiles and off-road vehicles
- None; only cars and trucks
A driver is caught in the warn range for a second time. Which penalties apply?
- 90-day suspension and impoundment
- 14-day suspension and a 16-hour treatment program
- 30-day suspension and a repeat 8-hour education course
- No penalty for a second time
What does Ontario impose on a driver with a BAC of 0.08 or more, first time, at the roadside?
- 30-day suspension and an ignition interlock for a year
- 3-day suspension and no impoundment
- 7-day suspension and a $250 penalty
- 90-day suspension and 7-day vehicle impoundment
Can a municipality ban having liquor in a recreational area it owns?
- No, only the province can
- Only on statutory holidays
- Only the LCBO can do that
- Yes, by passing a by-law
A police officer reasonably believes liquor is being kept unlawfully in a vehicle. What may the officer do?
- Search the vehicle without a warrant
- Only issue a verbal warning
- Ask the AGCO to inspect it later
- Search only after getting a warrant
Which drivers must have no alcohol at all in their system in Ontario?
- Only drivers under 18
- Drivers 21 or under, and G1, G2, M1 or M2 holders
- Only taxi and bus drivers
- Only drivers with a past impaired-driving conviction
Under the LLCA, how must liquor be kept on a boat that is underway?
- Sealed and unopened, or in a closed compartment
- Anywhere on board, as long as the operator is sober
- Only in plastic cups
- In an open cooler on deck
What happens to a driver caught in the warn range for the first time?
- A warning only, with no penalty
- 7-day suspension, $250 penalty and an education course
- A 90-day suspension plus a 7-day impoundment of the vehicle
- A lifetime licence suspension
After a first criminal impaired driving conviction, what is the minimum licence suspension in Ontario?
- At least 90 days
- At least 5 years
- At least 1 year
- At least 30 days
What BAC range does Ontario call the warn range?
- 0.01 to 0.049
- 0.10 to 0.15
- 0.08 to 0.10
- 0.05 to 0.079
Impaired driving and carrying liquor: key rules to remember
Our summary of what the official handbook says on this topic, in our own words. Read it before or after the practice questions above, then check the original chapter. Read the official chapter ↗
Impaired driving (retrieved 2026-10-16)
- Impaired driving covers alcohol, cannabis, other drugs and combinations; laws also cover boats, snowmobiles and off-road vehicles.
- Charges possible at BAC 0.08 or more, or in the warn range 0.05–0.079.
- Zero tolerance (no alcohol): age 21 or under; G1, G2, M1, M2; vehicles needing A–F licence or CVOR; road-building machines.
- Warn range: 1st — 7-day suspension, 8-hour course, $250; 2nd — 14-day, 16-hour treatment, $350; 3rd — 30-day, 16-hour treatment, 6-month interlock, $450.
- 0.08+ or refusal: immediate 90-day suspension, 7-day impoundment, $550; 8-hour course first time.
- Criminal conviction: first — at least 1-year suspension, program, interlock at least 1 year; second within 10 years — at least 3 years.
- Avoid impaired driving: designated driver, transit, ride from friend or family, taxi or ride share, stay overnight.
LLCA ss. 40–43
- s. 40: municipalities may ban liquor in recreational areas they own or control by by-law.
- s. 41: have or consume liquor only in a residence, licensed/permitted premises, prescribed private place, municipally designated public place, or designated provincial park areas (closed containers excepted).
- s. 42: no liquor in a motor vehicle or snow vehicle being driven or under care or control unless unopened with seal unbroken, or packed in closed baggage not readily available; police may search without warrant.
- s. 43: boats underway: unopened sealed, or stored in a closed compartment.
Large quadricycles
- Before departure, the licensee informs every passenger in writing of the dangers of operating a vehicle while impaired.
Study the Impaired driving and carrying liquor rules as flashcards →
Other topics
- Training and certificationWho must hold an AGCO Board-approved certificate (servers, bartenders, order-takers, delivery staff, managers, security), the three types of approved programs, five-year renewal and proof of certification.
- Legal age and minorsLegal drinking age 19, minimum age 18 to serve or handle liquor, sale to minors, the parent exception, under-19 entry conditions and the penalties for supplying minors.
- Checking IDWhat counts as valid identification, acceptable ID examples, Ontario driver's licence features, spotting fake ID, when ID must be inspected and how to refuse politely.
- Alcohol and the bodyStandard drinks in Canada, how the body absorbs and removes alcohol, factors that speed intoxication, alcohol poisoning signs and Canada's Guidance on Alcohol and Health.
- Recognizing intoxicationThe AGCO signs of intoxication from alcohol, cannabis or other drugs: speech, motor control, alertness, eyes, breathing, tiredness, plus drink tampering and smoke-free rules.
- Preventing intoxicationMonitoring patrons by stage, offering food and non-alcoholic drinks, checking at the door, drinking games, bottle service, last call and pricing of non-alcoholic options.
- Refusing service and removing patronsThe ban on serving anyone who is or appears intoxicated, refusing entry or service, removing people with no more force than necessary, police orders to vacate and public intoxication.
- Liability and penaltiesCivil liability under section 52 of the LLCA, fines and jail for offences, AGCO monetary penalties and the wider legal risk of over-serving.
- Hours of sale and serviceService hours of 9 a.m. to 2 a.m., New Year's Eve, the 45-minute clean-up, clock changes, airports, retail, delivery, takeout and permit hours.
- Pricing and promotionsImmoderate consumption, minimum drink prices and standard serving sizes, banned drink deals, uniform pricing, complimentary drinks, contests, substitution and posted drink lists.
- Running licensed premisesCapacity, posting the licence, the Sandy's Law sign, buying liquor from the LCBO, illegal liquor, bring-your-own-wine, takeout and delivery with food, police access, drugs, noise and inspections.
- House policies and incident logsWritten house policies, incident logs, staff drinking, emergency numbers, safe transportation plans, handling fights, signs of drug activity and preparing for an AGCO inspection.