Illinois SOS Permit Practice Test 38
- Questions35
- Correct to pass28
- Passing score80%
- Minimum age15 years
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1. You are driving in fog so thick that you can barely see the vehicle ahead. Which pavement marking is the best guide for staying in your lane?
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Answer A: The white edge line on the right side of the road
The right edge line keeps you positioned away from oncoming traffic and is easy to follow at low speed. Following tail lights closely tempts you to drive faster than you can see.
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2. A ball rolls into the street from between parked cars ahead of you. What should you expect and do?
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Answer A: Expect a child to follow it and be ready to stop
A ball is usually followed by a child who is watching the ball and not the traffic. Slow down and be prepared to stop immediately.
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3. You are entering an angle parking space on your right. What should you do?
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Answer C: Stay a little left of the space, then turn in between the lines
Keeping a little left of the space gives the front wheels the room to turn in cleanly and leaves your car centered between the lines.
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4. Something rolls off the seat onto the floor while you are driving. What should you do?
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Answer C: Leave it where it is and pick it up after you stop somewhere safe
Reaching for an object pulls your eyes and your body away from the controls at exactly the wrong moment, and nothing on the floor is worth that risk.
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5. Once you have parallel parked, how close to the curb should your wheels be?
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Answer C: Within the distance your state allows, commonly 12 to 18 inches
Parking close to and parallel with the curb keeps the vehicle out of the traffic lane without damaging the tires; each state sets the exact maximum, usually 12 inches and 18 inches in some states.
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6. You have stopped after a crash. Why should the engines of the vehicles involved be switched off?
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Answer A: To reduce the risk of a fire starting around any fuel that has spilled
Crashes often break fuel lines, and a running engine is a source of ignition, so switching off lowers the risk of fire.
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7. What is the correct relationship between air bags and seat belts?
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Answer B: Air bags are designed to work together with seat belts, not instead of them
An air bag is a supplemental restraint that cushions one impact, while the belt keeps you in position so the bag can work and protects you in rollovers and secondary impacts.
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8. A United States numbered route is normally marked with
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Answer C: black numerals on a white shield
The U.S. route marker is a white shield carrying black numerals, which sets it apart at a glance from the red, white and blue Interstate shield.
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9. What is the minimum loss of driving privileges for a driver under 21 convicted of an actual DUI offense, not merely the Zero Tolerance trace-of-alcohol rule, on a first occasion?
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Answer B: Two years
A first DUI conviction for a driver under 21 carries a minimum two-year loss of driving privileges, double the one-year minimum that applies to adult first offenders.
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10. Which of these is part of preparing a vehicle for winter driving?
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Answer A: Fitting good tires and using washer fluid that will not freeze
Winter readiness means tread, battery, wipers, antifreeze and washer fluid rated for the cold, plus a reasonable amount of fuel in the tank.
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11. You are towing a loaded trailer for the first time. How should you drive?
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Answer A: Slow earlier and keep a longer following gap
A trailer adds weight and length, so stopping takes longer and every maneuver needs more room and more warning.
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12. Under Illinois' Scott's Law, must a driver slow down and change lanes when approaching a snowplow that is stopped or working along the roadway?
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Answer C: Yes, snowplows and other highway maintenance vehicles are covered by the law
Illinois State Police confirm that snowplows and other highway maintenance vehicles are covered under Scott's Law, requiring drivers to slow down and change lanes when possible.
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13. Alcohol is classified as which kind of drug?
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Answer B: A depressant that slows the central nervous system
As a depressant, alcohol slows the brain and nervous system, which lengthens reaction time and dulls the coordination that driving depends on.
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14. A sign on a long descent points to a RUNAWAY TRUCK RAMP a mile ahead. What is that ramp for?
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Answer C: Stopping a vehicle whose brakes have failed
An escape ramp climbs into deep gravel or sand to bring a vehicle with failed brakes to a halt, so no one should stop or park in it.
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15. A driver is thinking about overtaking a slower vehicle and sees this sign a short distance ahead. What does it mean for that pass?
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Answer B: The pass must be finished before the restricted section begins
The sign marks the start of a section where passing is prohibited, so a driver may not be on the left side of the road beyond it; any pass has to be completed before that point or not started at all.
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16. You reach the end of the acceleration lane and there is still no gap in the traffic. What should you do?
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Answer B: Slow down and merge behind the traffic rather than forcing your way in
Merging behind the traffic costs you only a little speed, while forcing into a space that is not there puts you alongside a vehicle with nowhere to go.
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17. Why should you not rest your foot on the brake pedal as you drive?
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Answer D: The brake lights stay on and the drivers behind cannot read you
Resting on the pedal keeps the brake lights lit and wears the brakes, so following drivers stop believing your brake lights.
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18. May you stop in a marked bicycle lane to let a passenger out?
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Answer B: No, stopping there forces riders into the traffic lane
A vehicle stopped in a bike lane pushes riders out into moving traffic, which is exactly what the lane exists to prevent.
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19. The center line beside your lane is a broken yellow line. What does it allow?
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Answer D: You may cross into the opposing lane to pass when it is safe and clear
A broken yellow center line marks a passing zone where traffic in that direction may cross into the opposing lane to pass when the way ahead is clear.
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20. You are circulating in a roundabout and a vehicle is waiting to enter ahead of you. What should you do?
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Answer D: Keep going, because circulating traffic does not stop for entering vehicles
Stopping in the circle to be polite surprises the drivers behind you and defeats the design; entering traffic is the side that waits.
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21. A yellow horizontal rectangular sign showing one large arrow pointing left or right, facing traffic on the far side of a sharp bend, tells the driver
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Answer C: which way the roadway turns at that point
The large arrow sign is mounted on the outside of a sharp change in alignment so that a driver approaching head on immediately sees which way the road goes.
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22. You are waiting to turn left at a solid green light with no green arrow. Oncoming traffic is approaching. What should you do?
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Answer A: Yield to the oncoming traffic and turn only when there is a safe gap
A solid green light permits the left turn but does not protect it, so you must yield to oncoming vehicles and to pedestrians before turning.
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23. You are driving on a rural road with no sidewalk. Where should you expect to meet pedestrians?
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Answer A: Walking toward you on your side of the road
Where there is no sidewalk, pedestrians are taught to walk facing traffic, so they appear on your side of the road coming toward you.
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24. You see brake lights several vehicles ahead of you in your lane. What is the best first step?
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Answer C: Ease off the gas and cover the brake pedal
Reacting to the trouble several vehicles ahead, rather than waiting for the car in front, cuts your reaction time and warns the driver behind you.
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25. How does a full load of passengers and luggage affect your braking?
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Answer B: It lengthens the stopping distance, so you should brake earlier
More weight means more energy to get rid of, so a loaded vehicle takes longer to stop and needs earlier, gentler braking.
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26. At the scene of a crash you were part of, what are you required to do besides stopping?
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Answer B: Give your name, your address and vehicle details, and help anyone who is hurt
Every state requires drivers involved in a crash to identify themselves and to render reasonable aid to anyone injured.
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27. A city transit bus at a stop ahead of you switches on its left signal. What should you do?
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Answer D: Slow and let the bus pull back into traffic
A bus needs a long gap to rejoin traffic, and yielding to a signaling transit bus keeps the whole line of traffic moving safely.
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28. You reach a T intersection where the cross street has a ONE WAY sign pointing to the right. What may you do?
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Answer B: Turn right only, because the street carries traffic in that direction
The arrow shows the only direction traffic may travel, so the only legal movement from the terminating road is a right turn.
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29. You leave your car so that its rear overhangs a marked crosswalk. What is wrong with that?
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Answer B: Pedestrians must step around it into the traffic lane
A crosswalk has to stay completely clear; anything sticking into it pushes people on foot out into the path of moving vehicles.
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30. A signal beside a fire station stays dark until apparatus is about to leave, when it shows yellow and then red. What must a driver do?
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Answer B: Stop on the red and wait until the signal goes dark again
An emergency vehicle signal is a real traffic signal, so its red indication must be obeyed while the apparatus pulls out into the street.
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31. How much clearance does Illinois law require a motorist to leave when passing a bicyclist traveling in the same direction?
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Answer D: At least 3 feet
Illinois requires a motorist to leave at least 3 feet of clearance when passing a bicyclist traveling in the same direction.
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32. The gates at a railroad crossing are down, and you can see that the road beyond them is clear. What is the correct action?
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Answer A: Wait until the gates rise completely and the lights go out
Lowered gates mean rail traffic is expected, and driving around them removes the only protection the crossing provides.
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33. You have a small extinguisher and a fire has started under the hood. What is the safe way to use it?
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Answer B: Release the latch and spray through the gap without raising the hood at all
Opening the hood feeds the fire a rush of air, so spraying through the gap at the base of the flames is both safer and more effective.
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34. You notice a bulge on the sidewall of one of your tires. What should you do?
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Answer D: Have the tire replaced before driving far, because it could blow out
A sidewall bulge means the internal cords have broken and only the rubber is holding the air. The tire can fail suddenly at any speed.
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35. A yellow sign ahead of an underpass reads LOW CLEARANCE 12 FT 6 IN. What does the figure tell you?
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Answer B: The greatest height that can pass beneath the structure
The figure is the actual clearance available, so a vehicle taller than that must leave the road and take a marked alternative route.