SGI Class 1 key terms

A Saskatchewan driver's licence that allows a person to operate a semi-trailer truck or any tractor-trailer combination, and to drive vehicles covered by lower licence classes.

A written exam on truck-specific rules, air brakes, load securement, and safety that a candidate must pass before taking the Class 1 road test.

A practical driving assessment in a vehicle of the Class 1 category, scored on pre-trip inspection, vehicle control, traffic observation, and safe driving habits.

A systematic check of tires, brakes, lights, fluids, couplings, and load securement performed before driving, and demonstrated during the Class 1 road test.

An added qualification on a Saskatchewan licence permitting operation of vehicles with air brakes, requiring a written test and a practical air brake inspection.

A practical test in which the driver demonstrates checking air pressure build-up, leakage rates, low-pressure warning, and parking brake operation on an air-braked vehicle.

A tractor unit towing a trailer whose weight is carried partly by the tractor through a fifth-wheel coupling, the main vehicle type used for a Class 1 licence.

The powered front vehicle of a tractor-trailer combination, containing the engine, cab, and fifth-wheel hitch that pulls the trailer.

The horseshoe-shaped coupling plate mounted on a tractor that locks onto the trailer's kingpin and lets the combination pivot while towing.

The vertical steel pin under a semi-trailer that locks into the fifth wheel to connect the trailer to the tractor.

The procedure of connecting or separating a tractor and trailer, including checking the fifth-wheel lock, air lines, electrical cord, and landing gear, tested on the road test.

The retractable support legs under a semi-trailer that hold it upright when it is not attached to a tractor.

The use of tiedowns, straps, chains, and blocking to keep cargo from shifting or falling, meeting legal standards enforced at roadside inspections.

A load exceeding legal width, height, or length limits that requires an oversize permit and possibly pilot vehicles or route restrictions before it may move.

An authorization issued for a vehicle or load above legal weight limits, specifying allowed routes and conditions of travel.

The maximum total weight a vehicle or combination is registered to carry on Saskatchewan roads, which determines the registration fee and legal operating limit.

The process of recording a truck or tractor-trailer with the province, paying fees based on weight, and obtaining plates and a registration certificate.

Web and app tools where customers book road tests, renew registrations, pay tickets, check demerits, and update address information without visiting an office.

Scheduling a practical driving exam through SGI, typically requiring a valid learner or lower-class licence, a suitable vehicle, and payment of the test fee.

The annual or periodic payment that keeps a vehicle's registration and licence plates valid, which can be completed online or at an issuing office.

A record of a driver's licence history, including convictions, suspensions, and demerit points, often requested by employers and insurers.

Penalty points added to a driver's record for traffic convictions; accumulating enough points leads to warnings, licence suspension, or other sanctions.

A Saskatchewan program that adjusts a driver's insurance discount or surcharge based on their driving record and demerit-point history.

A temporary removal of driving privileges ordered for reasons such as too many demerit points, unpaid fines, or certain driving offences.

A roadside or facility check by enforcement officers of a truck's mechanical condition, driver documents, hours of service, and cargo securement.

Rules limiting how long a commercial driver may drive and work without rest, recorded in a log or electronic device and checked during inspections.

A score assigned to a trucking company based on inspections, collisions, and violations, used to target enforcement and determine operating privileges.

A set of minimum safety standards for commercial vehicles adopted across Canada, covering driver qualifications, maintenance, hours of service, and load security.

A stage of graduated licensing that lets a new driver practise under restrictions before earning a full licence, and a step toward Class 1 training.

A staged system where new drivers progress through learner and intermediate stages with restrictions before receiving a full, unrestricted licence.

A form completed by a physician confirming a commercial driver meets vision and health standards required to hold or keep a Class 1 licence.

A shipping document listing the goods carried, their quantity, and the shipper and receiver, often reviewed during inspections and load checks.

Substances such as flammable liquids, corrosives, or compressed gases that require special placards, training, and documentation when transported.

The gap a driver keeps behind the vehicle ahead, commonly at least one second for every three metres of vehicle length at highway speed.

The safety margin a driver maintains around the vehicle on all sides to allow time to react and to leave room for sudden stops or lane changes.

The tendency of a trailer's rear wheels to cut inside the path of the tractor during a turn, requiring wider turns and mirror checks.

A dangerous skid in which the tractor and trailer fold toward each other, often caused by braking hard on slippery surfaces or poor load balance.

A check by enforcement officers that tiedowns, straps, and blocking meet legal standards and that the load is not leaking, shifting, or overhanging illegally.