Indiana CDL School Bus Test key terms
Indiana CDL School Bus Test · Get comfortable with the vocabulary.
- Pre-Trip Inspection
- Related: Air Brake Test, Emergency Exit, Post-Trip Inspection
A systematic walk-around and in-cab check of the bus performed before every trip to confirm lights, brakes, tires, mirrors, emergency exits, and warning equipment are present and working.
- Air Brake Test
- Related: Pre-Trip Inspection, Brake Adjustment Check
A three-part check of air pressure buildup, static leakage, and warning buzzer or light activation, run before driving to confirm the air brake system holds pressure and signals low-pressure failure.
- Brake Adjustment Check
- Related: Air Brake Test
A measurement of pushrod travel on each air brake chamber, or a visual check of slack adjusters, to confirm brakes are within adjustment limits before the bus is driven.
- Post-Trip Inspection
- Related: Pre-Trip Inspection, Sleeping Child Check
The walk-through completed after the last run of the day, checking for sleeping or left-behind students, damage, and mechanical problems, then reporting findings and securing the bus.
- Sleeping Child Check
- Related: Post-Trip Inspection
A mandatory sweep of every seat, including the rear rows and under-seat areas, at the end of each route to make sure no student remains on the bus.
- Emergency Exit
- Related: Pre-Trip Inspection, Evacuation
Any designated door, roof hatch, or window intended for rapid evacuation, which must be unobstructed, properly latched, and checked for operation during the pre-trip inspection.
- Stop Arm
- Related: Loading Zone, Danger Zone
The extendable sign on the left side of the bus that signals traffic to stop while students are loading or unloading, and which must be tested for full extension and retraction.
- Danger Zone
- Related: Stop Arm, Crossing Gate
The area immediately around the bus, roughly ten feet in every direction, where students are hardest to see and where most loading and unloading injuries occur.
- Loading Zone
- Related: Stop Arm, Right-Hand Pickup Rule
The marked area at a stop where the bus positions itself to pick up or drop off students, kept clear of traffic hazards and selected so students need not cross the roadway if avoidable.
- Right-Hand Pickup Rule
- Related: Loading Zone, Danger Zone
The practice of stopping on the right side of the road so students board and exit onto the shoulder, avoiding the need to cross traffic except where routing makes crossing unavoidable.
- Student Count
- Related: Sleeping Child Check, Head Count Reconciliation
The practice of counting students as they board and again as they leave, and reconciling the numbers, so no student is unaccounted for after a stop or at the end of a run.
- Head Count Reconciliation
- Related: Student Count
Comparing the number of students who boarded with the number who exited at a stop or at school, and investigating any mismatch before the bus moves on.
- Hand Signal
- Related: Crossing Gate, Danger Zone
A standardized arm and hand gesture used by the driver to direct students to wait, cross, or stop, giving clear instructions when voice commands cannot be heard.
- Crossing Gate
- Related: Hand Signal, Danger Zone
The driver's physical position at the front of the bus, or the act of stepping into the doorway, used to hold students back until it is safe for them to cross.
- Bully Prevention
- Related: Incident Report, Behavior Management Plan
The driver's duty to watch for and intervene in repeated intimidation, physical aggression, or exclusion among students, documenting incidents and reporting them to school officials.
- Behavior Management Plan
- Related: Bully Prevention, Incident Report
A written set of expected bus behaviors and graduated consequences, communicated to students and families, that gives the driver consistent responses to misconduct.
- Incident Report
- Related: Behavior Management Plan, Bully Prevention
A written record of a student conduct problem, describing what happened, who was involved, and what action the driver took, submitted to the school for follow-up.
- Distracted Driving
- Related: Behavior Management Plan
Any activity that takes the driver's eyes, hands, or attention off the road, including phone use, eating, or managing students, and which is prohibited while the bus is in motion.
- Seating Chart
- Related: Behavior Management Plan, Incident Report
An assigned-seat plan that helps the driver learn student names, separate students who disrupt each other, and identify who was sitting where after an incident.
- Railroad-Highway Grade Crossing
- Related: Stop-Look-Listen, Crossing Clearance
Any place where a public road crosses railroad tracks at the same level, requiring the bus driver to stop, look, and listen under specific rules before proceeding.
- Stop-Look-Listen
- Related: Railroad-Highway Grade Crossing, Crossing Clearance
The required procedure at a grade crossing: stop the bus, open the door or window to listen, look both directions, and proceed only when certain no train is approaching.
- Crossing Clearance
- Related: Stop-Look-Listen, Railroad-Highway Grade Crossing
The confirmation that the bus can completely cross the tracks without stopping, so the vehicle never blocks the railroad right-of-way.
- Passive Crossing
- Related: Active Crossing
A grade crossing protected only by signs and pavement markings, without gates or flashing lights, which demands the driver's full stop and careful judgment.
- Active Crossing
- Related: Passive Crossing
A grade crossing equipped with warning devices such as flashing lights, bells, or gates, which the driver must obey even when no train appears to be coming.
- Evacuation
- Related: Emergency Exit, Evacuation Drill
The orderly removal of students from the bus through designated exits to a safe assembly point, practiced in drills and carried out during emergencies.
- Evacuation Drill
- Related: Evacuation, Emergency Exit
A scheduled practice in which students rehearse leaving the bus through front, rear, and side exits, so they can act quickly and safely in a real emergency.
- Assembly Point
- Related: Evacuation, Student Count
A pre-selected safe location away from the bus, traffic, and fire hazards where students gather after evacuation and are counted.
- Fire Suppression
- Related: Evacuation
The use of the onboard extinguisher, aimed at the base of a small fire, only when the driver can do so safely before evacuating students.
- Emergency Notification
- Related: Evacuation, Incident Report
The radio or phone call to dispatch and emergency services reporting the location, nature of the emergency, injuries, and number of students aboard.
- Following Distance
- Related: Stale Green Light, School Zone Speed Limit
The gap kept between the bus and the vehicle ahead, measured in seconds, increased for bad weather, heavy loads, or higher speeds to allow room to stop.
- Stale Green Light
- Related: Following Distance
A green signal that has been green for some time and may change to yellow before the bus reaches the intersection, so the driver should prepare to stop.
- School Zone Speed Limit
- Related: Following Distance
A reduced speed limit posted near a school and in effect during specified hours or when children are present, requiring the driver to slow and watch for students.
- Tail Swing
- Related: Danger Zone
The outward sweep of the rear of the bus when the front wheels turn, which can strike pedestrians, signs, or parked vehicles if the driver does not check mirrors.
- Off-Tracking
- Related: Tail Swing
The tendency of the rear wheels of a long bus to follow a tighter path than the front wheels in a turn, requiring the driver to swing wide and watch the rear.
- Blind Spot
- Related: Danger Zone, Tail Swing
An area around the bus that cannot be seen in the mirrors, especially directly behind and alongside the rear, where the driver must account for unseen vehicles or students.
- Skid Recovery
- Related: Following Distance
The technique of releasing hard braking, steering in the direction the bus should go, and avoiding sudden inputs to regain traction on slippery pavement.
- Hazard Light Use
- Related: Stop Arm, Loading Zone
Activating the bus's four-way flashers to warn traffic during loading, unloading, or a roadside stop, in addition to the required red warning lamps.