Practice Tests & Study Resources
Everything you need to pass your ICBC knowledge test — free practice tests for every licence class and endorsement, the official ICBC study guide, and our own step-by-step licensing walkthroughs.
The essential study guide
Driving Commercial Vehicles (ICBC guide)
ICBC's official study guide for the commercial knowledge tests — Classes 1–4, the air brake endorsement, and heavy trailer. This is the material your knowledge test is actually based on.
How our practice tests work
Walk into your ICBC test already knowing you’ll pass
Every test is multiple choice and mirrors the real ICBC knowledge exam. You need 80% to pass — the same bar ICBC sets — so keep retaking until you’re clearing it comfortably.
26
Practice tests
715+
Questions
Free
Always, no sign-up
80%
To pass — like ICBC
Instant answer feedback
See right away whether you got each question right, with the correct answer and a plain-English explanation — plus a full review at the end.
True to the real exam
The full mocks are the same length and time limit as ICBC's knowledge test.
Unlimited retries
Take every test as many times as you like until you're scoring above the pass mark.
Licence Classes(16)
Mock knowledge tests for Class 1 through Class 4 — the rules of the road and vehicle handling ICBC tests you on.
Class 1 Licence / MELT
Class 1 Practice Test 1: Rules of the Road
Signs, right-of-way, space management and safe driving for tractor-trailer drivers — the rules-of-the-road side of the Class 1 test.
Class 1 Licence / MELT
Class 1 Practice Test 2: Trucks, Trailers & Hours
Coupling, cargo securement, weigh scales, hours of service and inspections — the vehicle-handling side of the Class 1 test.
Class 1 Licence / MELT
Class 1 Practice Test 3: Signs, Signals & Road Markings
Every sign, signal and pavement marking ICBC tests commercial drivers on — from chain-up and steep-grade signs to reserved lanes and rail crossings.
Class 1 Licence / MELT
Class 1 Practice Test 4: Pre-Trip Inspection
The full Class 1 pre-trip: what passes and what fails on a tractor-trailer, the in-cab air tests, coupling checks and the trip inspection paperwork.
Class 1 Licence / MELT
Class 1 Practice Test 5: Hours of Service & Fatigue
The hours-of-service rules working drivers live by — daily limits, cycles, sleeper splits, logs and ELDs, and staying ahead of fatigue.
Class 1 Licence / MELT
Class 1 Practice Test 6: Cargo Securement & Weights
Tiedown rules, front-end structures, commodity loads and B.C. size and weight limits — secure your cargo and stay legal at the scale.
Class 1 Licence / MELT
Class 1 Practice Test 7: Coupling, Backing & Trailer Handling
Fifth-wheel coupling and uncoupling step by step, backing a semi-trailer, doubles and trailer dynamics — the skills side of pulling a trailer.
Class 1 Licence / MELT
Class 1 Practice Test 8: Grades, Winter & Emergencies
Brake heat, chain-ups, pre-hill checks, winter hazards and emergency know-how for taking a loaded truck through BC's mountains.
Class 1 Licence / MELT
Class 1 Full Mock Knowledge Test 1
Full-length Class 1 mock: 60 questions in 75 minutes, air brake content included — the same format as the real ICBC test.
Class 1 Licence / MELT
Class 1 Full Mock Knowledge Test 2
A second full-length mock — 60 all-new questions in 75 minutes with air brake content, matching the real ICBC Class 1 knowledge test format.
Class 2 Licence
Class 2 (Bus) Mock Knowledge Test
Full-length Class 2 practice: passenger safety, school bus rules and big-vehicle skills. 35 questions in 45 minutes, like the real test.
Class 2 Licence
Class 2 Practice Test: School Bus & Passenger Safety
Go deep on the school-bus side of Class 2: flashing lights, loading and crossing procedures, railway stops, emergency equipment and daily checks.
Class 3 Licence
Class 3 (Single-Unit Truck) Mock Knowledge Test
Full-length Class 3 practice: cargo, off-tracking, air brakes and inspections for trucks with more than two axles.
Class 3 Licence
Class 3 Practice Test: Truck Skills & Inspection
Hands-on Class 3 skills: single-unit pre-trip depth, dump and flat-deck cargo securement, backing, mountain grades, axle weights and inspections.
Class 4 Licence
Class 4 (Taxi, Limo & Small Bus) Mock Knowledge Test
Full-length Class 4 practice for taxi, limousine, ride-hailing and ambulance drivers. 35 questions in 45 minutes, like the real test.
Class 4 Licence
Class 4 Practice Test: Professional Passenger Transport
The professional side of Class 4 — passenger care, accessibility, emergencies, medical standards and the duties of a true professional driver.
Endorsements(7)
Air brake, heavy trailer and house-trailer endorsement prep, matched to the real ICBC endorsement tests.
Air Brake Endorsement
Air Brake Practice Test 1: System Components
How air brakes work: chambers, compressor and governor, valves, dual circuits and spring brakes. Same length as the real 25-question test.
Air Brake Endorsement
Air Brake Practice Test 2: Inspection, Adjustment & Use
Pushrod stroke, slack adjusters, the pre-trip air test and braking on grades — timed like the real 25-question ICBC test.
Air Brake Endorsement
Air Brake Full Mock Knowledge Test
The full ICBC format — 25 questions in 45 minutes, 80 per cent to pass — mixing components, trailers, inspection, adjustment and braking technique.
Heavy Trailer Endorsement
Heavy Trailer Endorsement (Code 20) Practice Test
Towing trailers over 4,600 kg: coupling, trailer brakes, loading and inspection for the code 20 endorsement test.
Heavy Trailer Endorsement
Heavy Trailer (Code 20) Full Mock Knowledge Test
Full-length code 20 mock — 35 questions in 45 minutes, like the real ICBC heavy trailer endorsement knowledge test.
RV Training (House Trailer Endorsement)
RV & House Trailer Endorsement Practice Test
Towing a big RV? Hitches, tongue weight, sway control and the code 07 endorsement — based on ICBC's official towing guide.
RV Training (House Trailer Endorsement)
House Trailer (Code 07) Full Mock Knowledge Test
Full-length code 07 mock for big-RV towing — 35 questions in 45 minutes, like the real house trailer endorsement knowledge test.
Specialty(1)
Equipment operator theory practice.
Safety & Compliance(2)
Workplace safety certifications — WHMIS and Transportation of Dangerous Goods.
WHMIS
WHMIS Practice Test
Pictograms, labels, SDSs and workplace duties under WHMIS, Canada's GHS-aligned hazard communication system — check your knowledge before certification.
Transportation of Dangerous Goods
Transportation of Dangerous Goods (TDG) Practice Test
The nine classes, shipping documents, placards, exemptions and emergency duties — theory prep for CSTT's one-day TDG certificate course.
Our guides
Step-by-step walkthroughs from CSTT — how the training and ICBC testing fit together.
Guide
How to Get Your Class 1 Licence in British Columbia
A step-by-step guide to getting your Class 1 licence in BC — what MELT is, what you need before you start, and how training and testing fit together.
Read guide →Guide
How to Get Your Class 3 Licence in British Columbia
A step-by-step guide to getting your Class 3 licence in BC — air brakes first, the knowledge test, manual vs automatic lessons, and the road test.
Read guide →Ready to get behind the wheel?
Practice tests get you through the knowledge exam. CSTT gets you road-test ready with one-on-one training.