Missouri permit test: school buses & emergency vehicles
Stopping for school buses, yielding to emergency vehicles and move-over laws. 6 questions.
A school bus is stopped with red lights flashing and its stop arm out on a two-lane road. What must you do?
Keyboard: press 1–4 or A–D to answer, Enter for the next question, S to save, R to read aloud, P to pause reading, L to listen and answer.
Sample school buses & emergency vehicles questions

View diagram
A school bus is stopped with red lights flashing and its stop arm out on a two-lane road. What must you do?
- A Stop only if you are behind the bus
- B Slow down to a crawl and pass the bus carefully on the left
- C Stop only if children are visible
- D Stop, whether you are behind the bus or coming toward it
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D. Stop, whether you are behind the bus or coming toward it
When the red lights flash and the stop arm is out, both oncoming and following traffic must stop before reaching the bus. On a two-lane road, this applies in both directions.
Source: Missouri Driver Guide, page 25

View diagram
You are driving toward a stopped school bus with flashing red lights on a four-lane highway with no median. Must you stop?
- A Yes, all traffic in both directions must stop on any road
- B No, oncoming traffic on four or more lanes need not stop
- C Yes, unless a police officer is present
- D Yes, but only if children are crossing the road
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B. No, oncoming traffic on four or more lanes need not stop
In Missouri, you need not stop when traveling the opposite direction on a highway with four or more lanes. Buses there may not load passengers in a way that makes them cross more than two lanes. Traffic behind the bus must still stop.
Source: Missouri Driver Guide, page 26

View diagram
An ambulance with flashing lights and a siren is approaching from behind you on a two-lane road. What should you do?
- A Speed up to stay ahead of it
- B Stop right where you are in your lane
- C Pull over to the right edge of the road and stop
- D Pull to the left lane to let it pass
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C. Pull over to the right edge of the road and stop
Yield to emergency vehicles using a siren or air horn and red or blue lights. Pull to the right edge and stop until they pass; if you are in an intersection, clear it first.
Source: Missouri Driver Guide, page 25
On a four-lane highway, you approach a stopped police car with its red and blue lights on in the right shoulder. What does Missouri's Move Over law require?
- A Keep your speed and lane; it is on the shoulder
- B Stop behind the police car
- C Turn on your hazard lights and drive on the shoulder
- D Change to a lane not next to it if safe, or slow down
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D. Change to a lane not next to it if safe, or slow down
If safe, move into a lane not next to the stopped emergency vehicle. If changing lanes is unsafe or impossible, slow down to a safe speed and proceed with caution.
Source: Missouri Driver Guide, page 25