How often must the floor of a school bus be washed with disinfectant?
BC Class 1–4: School buses
Which licences cover school buses, daily brake checks, school bus equipment and signs, loading and unloading, flashing red lights and railway crossings.
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- Every answer explained
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- 13 questions
- Topic drill
Study reference: Driving Commercial Vehicles (ICBC, 2024 edition), Ch. 6 Skills for driving buses, taxis, limousines and ride-hailing vehicles — Operating a school bus, Loading and unloading
All 13 questions in this test
Every question and its answer choices. The correct answers and explanations appear when you take the test above.
How often must the floor of a school bus be washed with disinfectant?
- Once a school term
- Once a month
- Every day
- At least once a week
May a Class 5 driver drive a passenger vehicle used as a school bus?
- Only on rural routes
- Yes, any size, as long as no passengers ride
- Only if it seats 10 or fewer, driver included
- No, never
What standard must school bus fire extinguishers meet?
- ULC Standard 100
- ISO 9001
- NSC Standard 13
- CSA Standard D250
What does the crossing control arm on a school bus do?
- Keeps crossing children in your view
- Opens the entrance door
- Signals the bus is turning
- Blocks traffic from passing the stopped bus
Before opening the doors at a stop, from how far must the school bus be visible in each direction?
- At least 60 m
- At least 30 m
- At least 150 m
- At least 85 m
How often should school bus brakes be tested?
- Every week
- Every month
- Only at inspection
- Every day
What is a special activity bus?
- A school bus with no set schedule
- A bus used for city transit on fixed routes
- A bus that carries only adults
- A tour bus with a sleeper
A school bus with children reaches an uncontrolled main railway crossing. What must the driver do?
- Stop right at the first rail
- Turn on the red lights and cross
- Slow down and cross without stopping if clear
- Stop 5 to 15 m away and listen
When should you turn off the flashing lights and fold in the stop sign?
- After you start moving
- As soon as the entrance doors have closed
- When the first car stops
- Once passengers are aboard or across
When must a school bus driver use the flashing red lights?
- At every railway crossing, with or without signals
- Only in school zones
- Whenever the bus is parked
- Whenever passengers cross the road
May passengers stand on a school bus while it moves?
- Only older students
- Yes, if all the seats are already full
- No; all must be seated first
- Yes, on short trips
A peace officer finds your school bus unfit. When may it be used as a school bus again?
- After 24 hours
- Once it has been fixed
- The next school day
- After the current route ends
How tall must the letters on a "School Bus" sign be?
- At least 20 cm
- At least 15 cm
- At least 10 cm
- At least 30 cm
School buses: 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 ↗
Which licences cover school buses (p. 3–4)
- Class 2 covers school buses of any size; Class 4 unrestricted covers school buses seating at most 25 including the driver.
- A Class 5 driver may drive a passenger vehicle used as a school bus only if it seats no more than 10 including the driver.
- A special activity bus is operated for a school and does not run on a set schedule.
Operating a school bus (p. 127)
- All bus rules also apply to school buses, plus every part of the Motor Vehicle Act Regulations about school buses.
- If a mechanical inspector or peace officer finds a school bus unfit, it may not be used as a school bus until fixed.
- A rental vehicle temporarily replacing a school bus must meet all school bus rules, and Commercial Vehicle Safety and Enforcement must be told as soon as possible.
- Test school bus brakes every day; never operate one unless the brakes are safe.
- Never carry passengers on a school bus that is defective in any way.
School bus equipment (p. 128)
- Refuel only with all passengers off and the engine turned off.
- Every school bus needs an approved fire extinguisher, an approved first-aid kit, and flares or flags.
- School bus fire extinguishers must meet CSA Standard D250.
- Every school bus displays two "School Bus" signs, black letters at least 20 cm high on yellow, front and rear; the rear sign goes just above or below the rear window.
- New school buses need two sets of rear-view mirrors on each side, a mirror showing the entrance door, and a convex mirror at the front showing the road right in front of the bus.
- Passengers may not stand on a school bus; everyone must be seated before the bus moves.
- Wash the floor with a disinfectant solution at least once a week.
Loading and unloading a school bus (p. 129)
- Before opening the doors: full stop, at least 3 m of road clear on the left, bus visible from at least 60 m in each direction, and passengers use the right side only.
- School buses have alternating flashing red lights and swing-out stop signs, and may also have flashing amber lights shown with the red lights.
- Use the flashing red lights whenever passengers cross the road before boarding or after leaving the bus.
- All drivers must stop when a school bus shows flashing red lights.
- New school buses may have a crossing control arm that swings out in front so you can see children crossing in front.
- Make sure crossing passengers are clear of your path before moving off.
- Turn off the lights and fold in the stop sign once passengers are aboard or safely across, then let waiting traffic go before pulling out.
Railway crossings and fire extinguishers (p. 53, 67)
- A school bus carrying children must stop at every uncontrolled main railway crossing, 5 to 15 m from the crossing.
- Open the driver's window or passenger door to listen, and do not shift gears while crossing.
- Bus drivers who get in and out frequently may be exempt from wearing seatbelts at 40 km/h or less.
Other topics
- Licence classes, endorsements and testingClass 1 to 4 and what each covers, minimum ages, the air brake (code 15) and heavy trailer (code 20) endorsements, the driving record and medical rules, learner supervision, MELT and retest waiting periods.
- Heavy vehicle brakingHow brakes turn motion into heat, stopping time and following distance, speed and weight effects, brake fade, retarders, downgrades, water, runaway lanes and ABS.
- Basic commercial driving skillsFollowing distance, danger zones, off track and turns, curves, roundabouts, backing, mirrors, emergency vehicles, double-clutching, railway crossings and night driving.
- Tires, warnings and personal safetyTire pressure and tread limits, wheel checks, required braking systems, flashing lights, warning devices for disabled vehicles, carbon monoxide, seatbelts, phones, impoundment and fire fighting.
- Fuel-efficient drivingStarting and warming up a diesel, smart shifting and speed, idling, tire pressure, en route checks and vehicle choices that save fuel.
- Backing and handling trailersBacking a semi-trailer, rollovers and load height, double trailers, trailer whipping, parking a trailer and weight distribution on a tractor-trailer.
- Coupling and uncouplingCoupling and uncoupling a fifth wheel step by step, the tug test, landing gear, pintle hitches, safety chains and drawbars.
- Loading and weight distributionWhere to place heavy loads on a truck, axle load shares for freight, dump and mixer trucks, covered aggregate loads, livestock and liquid tank loads.
- Cargo securementThe North American cargo securement standard, tiedown condition, how many tiedowns and how strong, binders, front-end structures, load projections and vehicles carried as cargo.
- Dimensions, weights and permitsHeight and width limits, mirrors, GVW and licensed GVW, overload and oversize permits, pilot cars and reporting to weigh scales.
- Dangerous goods and signs for commercial driversDangerous goods training and documents, reporting spills, placard classes, CANUTEC, runaway lanes, low clearance, transit priority and zone signs.
- Operating a busBus passenger safety, leaving the curb, transit right-of-way, highway stops, fares, standing passengers, required equipment, baggage and the bus pre-trip.
- Taxis, limousines and ride-hailingClass 4 restricted, taxi and limousine definitions, passenger transportation licences, seating, duty to carry and when you may refuse, jump seats and passengers with disabilities.
- Ambulances and special vehiclesLicences for ambulances and special vehicles, when emergency vehicles may use lights and sirens, yielding to them, and equipment rules that depend on seating capacity.
- Hours of serviceOn-duty and off-duty time, daily and shift limits, cycles and resets, deferral, sleeper berths, personal use, ELDs and records of duty status, the 160 km exemption and other jurisdictions.
- Air brake componentsWhy air brakes, brake chambers and slack adjusters, s-cam brakes, compressor, governor, reservoirs, foot valve, air dryers and ABS.
- Dual air brake systemsThe dual foot valve, primary and secondary circuits, one-way check valves, the low-air warning, quick release and relay valves, and what happens when one circuit fails.
- Spring parking brakesWhy parking needs mechanical force, how spring brakes apply and release, compounding, caging, blended air and safety actuators.
- Tractor-trailer air systemsSupply and control lines, glad hands, trailer emergency application, the tractor protection system, the trailer hand valve and bobtail tractors.
- Air brake adjustmentPushrod stroke limits, checking manual slack adjusters by the applied and pry methods, adjusting them, automatic slack adjusters and common misconceptions.
- Trip inspections and reportsWhen inspections are required, which vehicles need written reports, cargo securement re-checks, report rules, pre-trip procedure, brake checks before hills and en route checks.
- Class 1 pre-trip inspectionThe Class 1 road test pre-trip: timing, slack adjuster set-up, fifth wheel and landing gear checks, leakage limits with trailers, tug tests and breakaway checks.
- Air brake pre-trip testThe air brake pre-trip on the road test: draining reservoirs, governor cut-out and cut-in, low-air warning, trailer supply valve closing, build-up time and leakage limits.