According to the school-bus guide, how far can the front danger zone extend, even though the first 10 feet is the most dangerous area?
Correct answer: As much as 30 feet ahead of the front bumper.
The guide describes a front danger zone that may extend 30 feet. A child farther than 10 feet away is not automatically safe or visible; monitor the whole area and passing traffic.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 130, printed 10-1. ↗
A relief driver adjusts the seat in a school bus previously driven by someone else. What should happen before driving?
Correct answer: Check and, if necessary, adjust every mirror from the driving position.
All mirrors need checking before operation. A useful view for one driver may not show the danger zones adequately from another driver’s seat position.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 130, printed 10-1. ↗
Which nearby reference should correctly adjusted outside flat mirrors show on a school bus?
Correct answer: The rear tires where they touch the ground.
The flat mirrors help monitor traffic, side clearance and students. Their required view includes the rear tires touching the ground; they do not eliminate the rear blind spot.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 130, printed 10-1. ↗
A vehicle looks small in the school bus’s convex mirror. What limitation matters when judging the gap?
Correct answer: The mirror’s wide-angle view distorts apparent size and distance.
Convex mirrors provide broad coverage, but apparent size and distance are not accurate. Use the complete mirror scan and direct observations rather than treating a small image as proof of a safe gap.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 131, printed 10-2. ↗
What should the school bus’s crossover-mirror view do where direct forward vision becomes possible?
Correct answer: Overlap the direct view so the front danger area has no viewing gap.
Crossover mirrors cover the front bumper area at ground level and should overlap direct vision. They also help cover the front tire and service-door danger areas.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 131, printed 10-2. ↗
May the overhead inside mirror replace the exterior mirrors when checking for traffic approaching behind a school bus?
Correct answer: No; it monitors passengers and has substantial rear blind areas.
The inside mirror is primarily for observing passengers, including those directly behind the driver. Use exterior mirrors for traffic behind the bus; limited rear visibility is not a complete traffic view.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 132, printed 10-3. ↗
A child drops a lunch bag near the bus during unloading. What should the child be taught to do?
Correct answer: Leave it, move to safety and get the driver’s attention before retrieval.
A child bending down or returning for an object can disappear from view. Keep the bus secure, account for the child and arrange safe retrieval; flashing lights do not make an unseen child safe.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 134, printed 10-5. ↗
Why must a school bus driver observe each child clear the doorway and reach a safe place before moving?
Correct answer: Clothing or accessories can catch in a handrail or door.
Drawstrings, bags or other items can become caught as a child exits. Confirm that the child is clear and safe rather than relying only on the door closing or the child stepping down.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 134, printed 10-5. ↗
You counted six children outside, but only five boarded and you cannot locate the sixth. What is the safest next action?
Correct answer: Keep the bus secure and check around and underneath it before moving.
Do not move with a child unaccounted for in the danger zone. The guide directs the driver to secure the bus, take the key and check around and underneath; maintain appropriate passenger supervision.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 133, printed 10-4. ↗
A parent asks you to move tomorrow’s regular bus stop to a nearby driveway. What does the guide require before changing its location?
Correct answer: Written approval from the appropriate school district official.
The district establishes official routes and stops. Obtain written approval for a stop-location change; a parent’s preference alone does not authorize a new stop.
Source: Washington Commercial Driver Guide, N/10/20; section 10, physical PDF 132, printed 10-3. ↗
On a Washington roadway posted at 35 mph, when must you activate alternating amber lamps before stopping to load students?
Correct answer: Between 100 and 300 feet before the school bus stop.
WAC sets a 100–300-foot range where the posted limit is 35 mph or less. This is the loading-warning sequence, not a turn-signal distance or the simultaneous hazard-lamp rule for rail crossings.
Source: WAC 392-145-060(4)(a); current substantive rule reviewed September 13, 2026. ↗
Your next student-loading stop is on a Washington road posted at 45 mph. What amber-warning distance applies?
Correct answer: Between 300 and 500 feet before the stop.
A posted speed above 35 mph uses the 300–500-foot range. Select the range by the posted speed limit, not by the bus’s reduced approach speed.
Source: WAC 392-145-060(4)(b); current substantive rule reviewed September 13, 2026. ↗