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20 multiple-choice questions and 6 flashcards on Passenger Transport and School Bus, about 7% of the CDL Class A bank. Every one carries a written rationale.
Passenger Transport and School Bus is one of 12 chapters in CoStudy's CDL Class A (General Knowledge) bank, and it holds 20 of the bank's 300 multiple-choice questions — roughly 7% of the total. That proportion is not arbitrary: chapters follow the certifying body's published exam outline, and the number of questions in each is set by that domain's published weight, so the share of your practice time this chapter takes matches the share of the real exam it accounts for.
Studying by chapter is worth doing once you have a diagnostic score. A single overall percentage tells you whether you are close; it does not tell you which domain is dragging. Working a weak chapter in isolation, and re-testing it in isolation, is the fastest way to move a score that has stalled — and it is why the mock exams in CoStudy report by domain rather than as one number.
5 questions drawn from this chapter, with the full rationale shown — the controlling principle behind the right answer, and why each wrong option tempts and fails.
A rider becomes loud and threatening between stops. What is the BEST action for the driver?
Answer: A — Continue and discharge at a safe regular stop
A) Right — a disruptive rider should be discharged at a scheduled stop or another safe place, not turned out where they or others are endangered. B) Blocking a travel lane creates a crash risk for everyone aboard. C) A highway shoulder is an unsafe discharge point. D) Speeding compounds risk rather than resolving it.
A bus driver finishes the walk-around and is about to board passengers. What extra check is specific to buses?
Answer: C — That seats, handholds and doors are secure
C) Right — bus pre-trip adds passenger-area items: secure seats, working handrails, step treads, doors and emergency exits. A) Fifth wheel checks belong to combination vehicles. B) Glad hands are a tractor-trailer item, not a transit bus one. D) Baffles are a tank vehicle concern.
How should a school bus driver adjust the outside crossover mirrors?
Answer: A — To view the entire front bumper and danger zone
A) Right — crossover mirrors are set so the driver sees the front bumper area and the danger zone where a small child could stand unseen. B) Rear tire views come from the flat and convex side mirrors. C) Lane views are the job of the flat mirrors. D) Interior views come from the inside rearview mirror.
Which practice BEST prepares a bus for an emergency evacuation?
Answer: D — Checking exits and briefing riders on their use
D) Right — exits must be checked in pre-trip and riders should know how to use them, with a designated helper where policy allows. A) Seating policy varies and does not substitute for exit readiness. B) An ajar emergency door is a defect, not a preparation. C) Blocking an exit with stored items defeats it.
What does the term danger zone mean around a school bus?
Answer: B — The area around the bus where the driver cannot see
B) Right — the danger zone is the area on all sides of the bus where children are close enough to be struck and may be hidden from the driver's view. A) The passing lane is one hazard but not the definition. C) Interior areas are not the danger zone. D) Shoulder conditions describe the road, not the zone around the bus.
3 cards from the 6 in this chapter.
What is the danger zone around a school bus and how far does it extend?
The area on all sides where students are at greatest risk of being struck; it extends at least 10 feet from the front, sides, and rear of the bus, and is largest directly in front where the driver's view is blocked.
What items are prohibited from being carried in the aisle or stairwell of a passenger bus?
Baggage, freight, or any object that blocks the aisle, the driver's view, or the emergency exits; hazardous materials other than small-quantity exceptions are also prohibited on buses carrying passengers.
How many students should be counted before the bus is put back in motion after a stop?
The driver must account for every student who left the bus and confirm all are clear of the danger zone, using mirrors and a direct visual check before moving.
These are a sample. The full Passenger Transport and School Bus chapter runs 26 items with per-chapter progress tracking, on the web and in the iOS app.