South Dakota permit test practice

What should you do when side-by-side lights at a railroad crossing begin flashing alternately?

1. AProceed with caution at reduced speed
2. BStop, because a train is approachingCorrect
3. CSound your horn and continue through
4. DStop only if you also see a lowered gate

Why: The handbook says when the alternating lights are flashing, you must stop.

Are all highway-railroad grade crossings with multiple tracks guaranteed to have a multiple-track warning sign?

1. AYes, every single multi-track crossing is required to post this warning sign without exception
2. BYes, but only crossings built after 2000
3. CNo; not all crossings have the sign, so always check for more than one trackCorrect
4. DNo, only crossings in cities are required to post it

Why: The handbook explicitly warns that not all multi-track crossings have these signs, so drivers must check for themselves.

Once ready to enter a roundabout, whose traffic must you yield to before entering?

1. ATraffic on your right waiting to enter
2. BTraffic on your left that is already in the roundaboutCorrect
3. CTraffic that has already exited the roundabout
4. DNo one, once there is any gap at all

Why: The handbook's roundabout steps say to yield to traffic on your left already in the roundabout.

When entering a roundabout, who must you yield to first?

1. AOnly vehicles already circulating in the roundabout
2. BOnly vehicles approaching from your right
3. CPedestrians and bicyclistsCorrect
4. DNo one, if you have a green light

Why: The handbook's roundabout steps list yielding to pedestrians and bicyclists as an early step.

Before turning right, what should you check for, besides pedestrians?

1. AOnly vehicles approaching from behind you
2. BTraffic from the left and oncoming vehicles turning left into your pathCorrect
3. COnly vehicles that are already stopped at the intersection ahead of you on the road
4. DNothing else, since right turns have priority

Why: The handbook says to check that no traffic is approaching from the left and no oncoming vehicle is turning left into your path.

What does the handbook say about signaling even when you don't see anyone else nearby?

1. ASignaling is completely unnecessary if no other vehicles are visible
2. BSignal anyway; it's easy to miss someone who needs to knowCorrect
3. COnly signal if a pedestrian is present
4. DSignaling is optional at night, regardless of traffic

Why: The handbook says to signal even when you don't see anyone else around, because it's easy to miss someone who needs to know your intentions.

What can happen if you brake hard after you have already entered a curve?

1. AThe vehicle's headlights will dim automatically
2. BThe vehicle's tires lose tractionCorrect
3. CThe parking brake will engage on its own
4. DThe steering wheel will lock in place

Why: The handbook warns that hard braking after entry to a curve could cause the vehicle's tires to lose traction.

When turning right or left on a green light, what must you watch for?

1. AOnly oncoming vehicles, not pedestrians
2. BPedestrians crossing in front of your vehicleCorrect
3. COnly cyclists, not pedestrians
4. DNothing extra, since you have the right-of-way

Why: The handbook instructs drivers turning right or left to watch for pedestrians crossing in front of the vehicle.

How long is a Motorcycle Instruction Permit valid?

1. AFive years
2. BOne yearCorrect
3. CTwo years
4. DSix months

Why: The handbook states the Motorcycle Instruction Permit is valid for one year or until the presence documents expire, whichever is first.

According to the handbook, one organ and tissue donor can save or improve the lives of how many people?

1. AUp to 10 people
2. BUp to 60 peopleCorrect
3. CUp to 40 people
4. DUp to 6 people

Why: The handbook states one organ and tissue donor can save or improve the lives of up to 60 people.