Safe Driving & Emergencies — Practice Test 2026
Following distance, bad weather, skids, breakdowns and sharing the road.
What this section covers
- Space & following distance
- The three-second rule, stopping distance and blind spots.
- Weather & night driving
- Rain, fog, ice, hydroplaning, skids and glare.
- Sharing the road
- Trucks, motorcycles, work zones and breakdowns.
Practice questions
25 questions, answered right here. Tap an option to see why.
- 1.
In California, when must you turn on your headlights?
Not quiteCorrect answer: A — From 30 minutes after sunset until 30 minutes before sunrise, and whenever you need your wipers
The handbook lists 30 minutes after sunset to 30 minutes before sunrise, plus any time you use your wipers because of fog, rain or snow, in adverse conditions, and on mountain roads and in tunnels.
The wipers-on rule is the one drivers miss. If the wipers are running for weather, the low beams must be on.
- 2.
Pennsylvania law requires you to use low beams whenever you are:
Not quiteCorrect answer: B — Within 500 feet of an oncoming vehicle, and when following another vehicle
The manual gives 500 feet for oncoming vehicles, and also requires low beams when you are following another vehicle so your high beams do not fill their mirrors.
The following-a-vehicle half of the rule is the forgotten one, and it is the one that dazzles a driver through their mirror.
- 3.
Pennsylvania law requires headlights in certain conditions. Daytime running lights alone are insufficient because:
Not quiteCorrect answer: D — Your tail lights must be illuminated as well
The manual is explicit that daytime running lights are not enough: the tail lights have to be lit too, which is what makes you visible from behind in rain or spray.
Modern cars light up automatically at the front, so drivers assume they are compliant. From behind they may be invisible.
- 4.
You must park on an unlighted Texas highway at night. The handbook tells you to:
Not quiteCorrect answer: B — Leave your parking lights or lower-beam headlights on
An unlit vehicle at the edge of a dark highway is invisible until it is too late, so the handbook requires parking lights or low beams.
Switching everything off to avoid dazzling others removes the only thing making the vehicle visible.
- 5.
You feel your steering go light and the car begins to float on a flooded road. You should:
Not quiteCorrect answer: A — Ease off the accelerator and hold the wheel straight until the tyres grip again
That is hydroplaning: the tyres are riding on water. Braking or steering has nothing to act on, so the fix is to reduce speed gently and wait for contact to return.
Braking is the reflex and it is the one input guaranteed not to help — and to cause a spin the moment grip returns.
- 6.
According to the California handbook, an average passenger vehicle travelling at 55 mph can stop within about:
Not quiteCorrect answer: D — 300 feet
The handbook gives 300 feet for a passenger car at 55 mph, and up to 400 feet for a large vehicle at the same speed.
That gap of 100 feet is why cutting in front of a truck and braking is so dangerous.
- 7.
Where is a large truck's largest blind spot?
Not quiteCorrect answer: B — Along the right side, extending back several lanes
The right-side blind spot is the biggest by far, covering more than one lane and much of the trailer length. If you cannot see the driver in their mirror, they cannot see you.
Drivers linger on a truck's right while passing, which is exactly the worst place and the reason for the mirror rule of thumb.
- 8.
On a winter road, which surface is most likely to be icy while the rest of the road is merely wet?
Not quiteCorrect answer: C — A bridge or overpass
A bridge is exposed to cold air above and below, so it loses heat from both sides and freezes before the road on either end of it.
The transition is invisible and arrives at speed, which is why bridges carry a dedicated warning sign in cold regions.
- 9.
What is the minimum following distance you should keep behind the vehicle ahead in good conditions?
Not quiteCorrect answer: D — Three seconds
Pick a fixed object ahead; when the car in front passes it, you should not reach it for at least three seconds. Extend to four or more seconds in rain, fog, at night or when being tailgated.
Counting car lengths fails at speed, because stopping distance grows far faster than speed does.
- 10.
The rear of your car begins to slide to the right. To recover, you should:
Not quiteCorrect answer: A — Ease off the accelerator and steer to the right, where you want the front to go
Steer in the direction the rear is sliding — which is the direction you want the front of the car to point. Sudden braking transfers weight and makes the slide worse.
"Turn into the skid" is stated so often without explanation that half of drivers steer the wrong way under pressure.
- 11.
You are driving on a California mountain road on a bright, clear day. Your headlights should be:
Not quiteCorrect answer: B — On, because the handbook requires them on mountain roads and in tunnels
The requirement is about being seen around blind curves, not about your own visibility, which is why it applies even on sunny days.
Headlight rules are assumed to be about seeing. Half of them are about being seen.
- 12.
Which following-distance rule does the California handbook teach?
Not quiteCorrect answer: C — The three-second rule
California teaches three seconds: when the vehicle ahead passes a fixed point, you should not reach that point before counting three.
States differ on this. New York teaches two seconds as the baseline; California teaches three.
- 13.
The PA manual notes that 65 mph is almost 100 feet per second. What does that figure illustrate?
Not quiteCorrect answer: A — That it takes less than one second to run off the road at highway speed
The manual uses it to explain run-off-road crashes: a moment of inattention or fatigue at 65 mph covers the width of the shoulder before you can react.
Distances feel generous when quoted in feet. Converted into seconds at speed, they are very short.
- 14.
Before changing lanes, checking your mirrors is not enough because:
Not quiteCorrect answer: B — Mirrors leave blind spots that only a head check covers
Every mirror arrangement leaves an area beside and behind the car that it cannot show. A quick look over the shoulder is the only thing that covers it.
Blind-spot warning systems reduce the risk but do not remove it, particularly for motorcycles and bicycles.
- 15.
What is the penalty in Pennsylvania for failing to use headlights when required?
Not quiteCorrect answer: A — Fines beginning at $25, approaching $100 with associated costs
The manual gives $25 as the starting fine, rising to nearly $100 once associated costs are added.
It is treated as unenforced. It is a standalone citable offence.
- 16.
A motorcycle ahead of you moves from one side of its lane to the other. This most likely means the rider is:
Not quiteCorrect answer: A — Positioning for visibility, surface or wind — treat the whole lane as theirs
Riders use lane position to see and be seen, avoid surface hazards and manage crosswind. The motorcycle is entitled to the full width of the lane.
Because a motorcycle is narrow, drivers treat its lane as shareable. Sharing a lane with a rider is illegal in nearly every state.
- 17.
When must you turn on your headlights in California?
Not quiteCorrect answer: C — From 30 minutes after sunset to 30 minutes before sunrise, and whenever you use your windscreen wipers
Headlights are required from 30 minutes after sunset to 30 minutes before sunrise, in poor visibility, and any time weather requires your wipers. The point is not only to see, but to be seen.
Daytime running lights are not headlights and do not satisfy the wiper rule — they usually leave the tail lights off.
- 18.
Which following-distance rule does the New York manual teach as the baseline?
Not quiteCorrect answer: C — The two-second rule
New York teaches two seconds as the baseline, and tells you to increase it to at least three or four seconds in bad weather or when following a large truck.
California teaches three seconds as the baseline. Candidates who studied for one state answer this wrongly for the other.
- 19.
Besides the fixed times around sunset and sunrise, when must you use headlights in Texas?
Not quiteCorrect answer: D — Any time people or vehicles cannot be seen clearly for at least 1,000 feet
The handbook gives two triggers: from 30 minutes after sunset until 30 minutes before sunrise, and any time visibility of people or vehicles drops below 1,000 feet.
The visibility trigger is the one that catches drivers in fog, heavy rain and dust, where the clock says daytime.
- 20.
In heavy rain, at night, or when following a motorcycle, your following distance should be:
Not quiteCorrect answer: D — Four seconds or more
Three seconds is the minimum for a good day. Poor traction, poor visibility, a heavy load, or a vehicle that can stop faster than you all mean adding time.
Drivers treat three seconds as a maximum requirement rather than a floor for ideal conditions.
- 21.
In Texas, headlights are required from:
Not quiteCorrect answer: A — 30 minutes after sunset until 30 minutes before sunrise
The rule is fixed to sunset and sunrise with a 30-minute margin either side, so it does not depend on the driver judging the light.
Twilight feels bright enough to skip the lights. The margin exists because your own visibility is not the point — being seen is.
- 22.
When following a motorcycle in Pennsylvania, the manual advises leaving:
Not quiteCorrect answer: B — Three or four seconds
Three to four seconds gives the rider room to manoeuvre or stop. In dry conditions a motorcycle can stop more quickly than a car, which is exactly why the extra gap matters.
A motorcycle looks small and slow to stop. The opposite is true, and closing on one leaves you nowhere to go.
- 23.
When is a wet road usually most slippery?
Not quiteCorrect answer: D — During the first few minutes of rain after a dry spell
Oil and rubber build up on dry pavement. The first rain lifts them into a film before enough water arrives to wash them away.
Drivers judge risk by how hard it is raining. Light rain on a long-dry road is more slippery than a downpour.
- 24.
Compared with a car, a fully loaded truck travelling at highway speed needs:
Not quiteCorrect answer: D — Considerably more distance to stop
Mass and air-brake lag together mean a loaded truck can need well over twice the stopping distance of a car.
Cutting in front of a truck and then braking removes the space its driver spent kilometres building.
- 25.
Your car begins to hydroplane on a wet road. What is the correct response?
Not quiteCorrect answer: B — Ease off the accelerator and steer straight until you regain traction
Hydroplaning means the tyres have lost contact with the road, so braking and steering do almost nothing. Ease off the accelerator, keep the wheel straight and let the tyres slow until they touch the road again.
Braking hard while hydroplaning tends to start a spin the moment traction returns.
Other sections
- Road Signs & SignalsShapes, colors and meanings — plus traffic lights, arrows and pavement markings.
- Traffic Laws & SpeedSpeed limits, lane use, passing, turning and the rules that carry the heaviest penalties.
- Right-of-Way & IntersectionsWho goes first — at stops, roundabouts, crosswalks and for emergency vehicles.
- Alcohol, Drugs & DistractionBAC limits, implied consent, phones behind the wheel and what they cost you.
- Parking, Fines & PaperworkWhere you may not park, point systems, insurance minimums and license suspension.
Questions people ask
- How many safe driving & emergencies questions are on the test?
- Sections are not evenly weighted, and no state publishes an exact split. This bank holds 40 questions on safe driving & emergencies, covering 3 topics.
- Do I get an explanation when I answer wrong?
- Yes — every question on this page shows the correct answer, why it is correct, and the mistake the wrong answers are built around.
Where this comes from
- Manual on Uniform Traffic Control Devices (MUTCD), 11th Edition — U.S. Federal Highway Administration
- MUTCD sign artwork on Wikimedia Commons — Wikimedia Commons — files created by the U.S. Federal Highway Administration
- California Driver Handbook — California DMV
- Texas Driver Handbook — Texas Department of Public Safety
- Florida Driver License Handbook — Florida HSMV
- New York State Driver's Manual — New York State DMV
- Illinois Rules of the Road — Illinois Secretary of State
- Pennsylvania Driver's Manual — PennDOT
Independent study aid. Not affiliated with, endorsed by or connected to any Department of Motor Vehicles or government agency. Questions are written from the official handbooks listed above; no exam result is guaranteed.