CDL - Commercial Driver's License School Bus Endorsement 1

Question 1

At a railroad-highway grade crossing, what must a school bus driver do before proceeding across the tracks?

Accepted Answer

Stop 15 to 50 feet before the tracks, open the door, and listen for approaching trains

Answer

Slow to 15 mph and proceed if no train is visible

Answer

Stop only when the warning lights are flashing or gates are down

Answer

Yield to other traffic, then cross without stopping

Question 2

Under which condition should a school bus driver immediately evacuate students from the bus?

Accepted Answer

When there is a fire or imminent danger of fire on the bus

Answer

When the bus breaks down on a two-lane road

Answer

When a student reports feeling ill

Answer

When the bus is more than 15 minutes behind schedule

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?

Accepted Answer

10 feet

Answer

5 feet

Answer

15 feet

Answer

20 feet

Question 4

After completing the final run of the day, what must a school bus driver do before leaving the vehicle?

Accepted Answer

Check tire pressure and fluid levels

Answer

Complete the mileage log and secure the steering wheel

Answer

Walk through the entire bus to ensure no student has been left behind

Answer

Report any discipline issues to dispatch

Question 5

What is the purpose of the crossing control arm (pupil safety arm) found on the front of a school bus?

Accepted Answer

To prevent students from walking directly in front of the bus and into the blind zone

Answer

To signal approaching drivers that students are present

Answer

To extend the reach of the stop arm to oncoming traffic

Answer

To lock the front door during transit

Question 6

What is the correct school bus policy regarding backing the vehicle?

Accepted Answer

Backing should be avoided whenever possible; if unavoidable, a qualified spotter must be used

Answer

Backing is permitted whenever mirrors provide a clear view

Answer

Backing is only allowed in designated school parking areas

Answer

Backing is prohibited under all circumstances