CDL - Commercial Driver's License School Bus Endorsement 1 — Questions and Answers
Question 1: At a railroad-highway grade crossing, what must a school bus driver do before proceeding across the tracks?
- Slow to 15 mph and proceed if no train is visible
- Stop 15 to 50 feet before the tracks, open the door, and listen for approaching trains (Correct answer)
- Stop only when the warning lights are flashing or gates are down
- Yield to other traffic, then cross without stopping
Correct answer: Stop 15 to 50 feet before the tracks, open the door, and listen for approaching trains
Federal regulations require school bus drivers to stop between 15 and 50 feet from railroad tracks, open the service door, and listen for trains before crossing — regardless of whether signals are active.
Question 2: Under which condition should a school bus driver immediately evacuate students from the bus?
- When the bus breaks down on a two-lane road
- When a student reports feeling ill
- When there is a fire or imminent danger of fire on the bus (Correct answer)
- When the bus is more than 15 minutes behind schedule
Correct answer: When there is a fire or imminent danger of fire on the bus
A fire or risk of fire is a life-threatening emergency requiring immediate evacuation. Most other situations allow the driver to use judgment, but fire leaves no time to wait.
Question 3: Before crossing the road in front of a stopped school bus, students must walk at least how far ahead of the front bumper?
- 5 feet
- 10 feet (Correct answer)
- 15 feet
- 20 feet
Correct answer: 10 feet
Students must walk at least 10 feet in front of the bus so the driver can clearly see them over the hood before they begin crossing. Crossing closer than 10 feet puts students in the driver's blind zone.
Question 4: After completing the final run of the day, what must a school bus driver do before leaving the vehicle?
- Complete the mileage log and secure the steering wheel
- Walk through the entire bus to ensure no student has been left behind
- Check tire pressure and fluid levels (Correct answer)
- Report any discipline issues to dispatch
Correct answer: Check tire pressure and fluid levels
Drivers are required to walk the full length of the bus and check every seat — including under seats — to confirm no child remains on board. Students falling asleep or hiding can easily be missed otherwise.
Question 5: What is the purpose of the crossing control arm (pupil safety arm) found on the front of a school bus?
- To signal approaching drivers that students are present
- To extend the reach of the stop arm to oncoming traffic
- To prevent students from walking directly in front of the bus and into the blind zone (Correct answer)
- To lock the front door during transit
Correct answer: To prevent students from walking directly in front of the bus and into the blind zone
The crossing control arm swings out from the front bumper when the door opens, physically blocking students from walking too close to the bus and into the area directly in front of the hood where the driver cannot see them.
Question 6: What is the correct school bus policy regarding backing the vehicle?
- Backing is permitted whenever mirrors provide a clear view
- Backing should be avoided whenever possible; if unavoidable, a qualified spotter must be used (Correct answer)
- Backing is only allowed in designated school parking areas
- Backing is prohibited under all circumstances
Correct answer: Backing should be avoided whenever possible; if unavoidable, a qualified spotter must be used
CDL school bus guidelines state that drivers should plan routes to avoid the need to back up entirely. When backing is unavoidable, a spotter who maintains eye contact with the driver must guide the maneuver from outside the bus.
CDL - Commercial Driver's License School Bus Endorsement 1
At a railroad-highway grade crossing, what must a school bus driver do before proceeding across the tracks?