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100+ Free Alberta Class 4 Practice Questions

Pass your Alberta Class 4 Commercial Driver's Licence Knowledge Test exam on the first try — instant access, no signup required.

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2026 Statistics

Key Facts: Alberta Class 4 Exam

30

Knowledge Questions

Alberta Transportation

83.33%

Passing Mark (25/30)

Alberta Licensing

45 mins

Time Limit

Registry Agents

18

Minimum Age

Alberta Licensing

24

Max Bus Seats

Class 4 Definitions

The Alberta Class 4 knowledge test consists of 30 multiple-choice questions completed in 45 minutes at registry agents. It has a passing score of 83.33% (25/30) and requires a medical report.

Sample Alberta Class 4 Practice Questions

Try these sample questions to test your Alberta Class 4 exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1What is the maximum passenger seating capacity of a vehicle that a Class 4 licence holder is permitted to operate, excluding the driver?
A.10 passengers
B.15 passengers
C.24 passengers
D.36 passengers
Explanation: A Class 4 licence in Alberta permits the driver to operate a bus with a seating capacity of not more than 24 passengers, excluding the driver. If the passenger capacity exceeds 24, a Class 2 commercial licence is required. This is a fundamental vehicle classification rule under Alberta licensing regulations.
2What is the minimum age requirement to obtain a Class 4 commercial driver's licence in Alberta?
A.16 years of age
B.18 years of age
C.21 years of age
D.25 years of age
Explanation: To obtain a Class 4 licence in Alberta, candidates must be at least 18 years of age. This ensures that the driver has sufficient maturity and driving experience before operating commercial passenger vehicles. Younger drivers are restricted to standard passenger licences.
3Which licence class must you hold as a prerequisite before you can apply for a Class 4 commercial licence in Alberta?
A.A Class 7 learner's licence
B.A Class 5 GDL (Graduated Driver's Licence)
C.A Class 5 non-GDL (non-probationary) licence
D.A Class 3 commercial licence
Explanation: You must hold at least a valid Class 5 non-GDL (non-probationary) licence to be eligible for a Class 4 licence in Alberta. Drivers in the Graduated Driver's Licence (GDL) program are not permitted to upgrade to any commercial class of licence. This requirement ensures candidates have at least completed their basic probationary period.
4In a commercial passenger vehicle, who is legally responsible for ensuring that a passenger under 16 years of age is wearing a seatbelt?
A.The passenger's parent or guardian only
B.The driver of the vehicle
C.The passenger themselves
D.No one, as seatbelt rules are voluntary for commercial passengers
Explanation: Under Alberta law, the driver of a commercial passenger vehicle is legally responsible for ensuring that all passengers under the age of 16 are properly secured by a seatbelt or child restraint system. If a passenger under 16 is caught unbuckled, the driver faces the fine and demerit points. Passengers 16 years of age and older are responsible for buckling themselves.
5Under what condition is a taxi driver in Alberta exempt from the requirement to wear a seatbelt?
A.At all times when driving a taxi
B.Only when operating a taxi-cab while carrying a passenger for hire
C.Only when driving in residential areas under 50 km/h
D.Only when performing a pre-trip inspection
Explanation: Alberta regulation exempts a taxi driver from wearing a seatbelt only while they are carrying a passenger for hire. This exemption is intended to protect the driver's personal safety in potential passenger assault situations by allowing quick exit or movement. The exemption does not apply when the taxi is empty or being driven for personal use.
6Who is responsible for providing and securing a child safety seat in a licensed taxi in Alberta?
A.The taxi driver is responsible for providing and securing it
B.The parent or guardian accompanying the child is responsible
C.The municipal taxi commission is responsible
D.Taxis are exempt from child safety laws, and children can ride unrestrained without parental responsibility
Explanation: In licensed taxi-cabs in Alberta, the driver is exempt from having to provide child safety seats. The responsibility for bringing, installing, and securing the child safety seat lies entirely with the parent or guardian accompanying the child. If the parent does not provide one, the child may ride in the taxi, but the parent assumes responsibility for the child's safety.
7What is the primary purpose of performing a pre-trip vehicle inspection?
A.To ensure the vehicle is clean for passengers
B.To detect mechanical defects before they cause a breakdown or collision
C.To practice basic commercial driving maneuvers
D.To verify the vehicle's fuel efficiency ratings
Explanation: The primary purpose of a pre-trip inspection is to identify any mechanical problems or safety defects before operating the commercial vehicle on public roads. This prevents mechanical breakdowns, reduces collisions, and ensures the safety of the driver, passengers, and other road users. It is also a mandatory legal requirement under Alberta's National Safety Code rules.
8In Alberta, what must a driver do immediately if they discover a major defect during a vehicle inspection?
A.Drive to the nearest registry agent to report the defect
B.Write it down and fix it at the end of the shift
C.Do not operate the vehicle until the defect is repaired
D.Continue driving but limit the maximum speed to 50 km/h
Explanation: If a major defect is identified during an inspection, the vehicle is considered unsafe and must not be operated on any public road. The driver must record the defect in the vehicle inspection report, notify the carrier immediately, and ensure the defect is repaired before the vehicle is driven again. Operating a commercial vehicle with a known major defect is a serious regulatory offence.
9When backing up a commercial vehicle, why is it highly recommended to back from the driver's side (left side) rather than the passenger's side?
A.Because the driver has a much clearer view of the rear and side of the vehicle from the left mirror and window
B.Because vehicles are mechanically designed to turn sharper to the left
C.Because backing to the right is prohibited by municipal bylaws in Alberta
D.Because backing to the left requires fewer steering inputs
Explanation: Backing from the driver's side (left) is far safer because it allows the driver to look directly out the side window and have a clear view in the left mirror. Backing from the passenger's side (right) creates a 'blind side' where the vehicle's body blocks the driver's direct line of sight, making it much harder to spot hazards. Commercial drivers should always position their vehicle to execute a driver-side back whenever possible.
10What is the most effective way to manage and prevent driver fatigue on long commercial shifts?
A.Drinking multiple caffeinated energy drinks
B.Ensuring you get adequate, high-quality sleep before your shift and taking scheduled breaks
C.Keeping the vehicle cabin very cold and playing loud music
D.Driving faster to complete the route and finish the shift early
Explanation: The only truly effective cure and preventive measure for fatigue is adequate rest and sleep. Commercial drivers must plan their sleep schedules to ensure they are fully rested before beginning a shift, and they should take regular breaks to rest and stretch. Temporary stimulants like caffeine only mask fatigue and can lead to sudden crashes when they wear off.

About the Alberta Class 4 Exam

The Alberta Class 4 Commercial Driver's Licence is required for operating taxis, rideshare vehicles (such as Uber or Lyft), small buses (up to 24 passengers, excluding the driver), ambulances, and other commercial emergency response vehicles. The Class 4 Knowledge Test assesses candidates on their understanding of passenger management, commercial vehicle rules, child restraint systems, defensive driving techniques, commercial pre-trip and post-trip vehicle inspections, taxi registry bylaws, and emergency vehicle rules (siren and light protocols).

Assessment

30 multiple-choice questions (CBT, closed book)

Time Limit

45 minutes

Passing Score

83.33% (25/30)

Exam Fee

$17 CAD (plus registry agent service fees) (Government of Alberta (Registry Agents))

Alberta Class 4 Exam Content Outline

20%

Commercial Vehicle Inspection

Pre-trip and post-trip vehicle inspections, reporting safety defects, and daily log requirements.

25%

Transporting Passengers & Passenger Safety

Passenger boarding/exiting safety, loading limits, small bus/van operations, and passenger management.

15%

Seatbelts & Child Safety Seats

Legal responsibilities of commercial drivers, taxi exemptions, child restraint systems, and seatbelt usage rules.

20%

Defensive Driving & Commercial Hazards

Hazard perception, stopping distances, driving in adverse weather conditions, braking techniques, and managing driver fatigue.

10%

Taxi & Rideshare Operations

Taxi and rideshare business regulations, digital dispatch applications, route planning, handling luggage, and passenger relations.

10%

Emergency Vehicles & Ambulance Rules

Siren and flashing light usage, emergency speed limits, crossing red lights safely, and emergency vehicle right-of-way.

How to Pass the Alberta Class 4 Exam

What You Need to Know

  • Passing score: 83.33% (25/30)
  • Assessment: 30 multiple-choice questions (CBT, closed book)
  • Time limit: 45 minutes
  • Exam fee: $17 CAD (plus registry agent service fees)

Keys to Passing

  • Complete 500+ practice questions
  • Score 80%+ consistently before scheduling
  • Focus on highest-weighted sections
  • Use our AI tutor for tough concepts

Alberta Class 4 Study Tips from Top Performers

1Carefully study the seatbelt laws: in a commercial passenger vehicle, the driver is responsible for ensuring passengers under 16 are buckled up.
2Understand vehicle inspection requirements: a driver must perform a pre-trip inspection every 24 hours of operation and record it in a written or digital report.
3Memorize the rules of emergency vehicle operations: you must know when siren and light use is permitted and the safety procedures for proceeding through a red light.
4Study stopping distances: commercial vehicles are heavier and have longer stopping distances than standard passenger vehicles; know the factors affecting braking distance.
5Understand the rules for small bus operations: remember the procedures for crossing railway tracks and the maximum passenger limits (24 excluding the driver).

Frequently Asked Questions

What vehicles can I drive with an Alberta Class 4 licence?

A Class 4 licence allows you to drive a taxi, rideshare vehicle, ambulance, small bus (seating capacity of not more than 24 passengers, excluding the driver), or any vehicle allowed under a Class 5 licence.

What are the eligibility requirements for the Class 4 licence in Alberta?

You must be at least 18 years of age, hold a valid, non-GDL Class 5 licence (or higher) in Alberta, submit a medical fitness report completed by a physician, pass the Class 4 knowledge test, and pass a vision screening.

Is a road test required to obtain a Class 4 licence?

No. Under current Alberta rules, only a knowledge test is required for a Class 4 licence (a road test is required only for Class 1, 2, 3, 5, and 6 licences). You must also pass a vision screening and submit a completed medical fitness report before your licence is reclassed.

Do taxi or rideshare drivers need child safety seats in Alberta?

Under Alberta law, taxi drivers are generally exempt from the requirement to provide child safety seats for passengers, and the responsibility for securing children remains with the parent/guardian. However, rideshare drivers (Transportation Network Companies) are typically NOT exempt and must follow standard child restraint laws, though municipal bylaws and platform policies can vary.