Illinois SOS Motorcycle Practice Test 21

  • Questions25
  • Correct to pass20
  • Passing score80%
  • Minimum age16 years

Minimum age: 16 years; applicants aged 16 or 17 must also complete an IDOT-approved motorcycle training course

25 questions. Pick an answer to see if it is right and why; you need 20 correct answers to pass.

  1. 1. Why is standing water across a road dangerous even when it looks shallow?

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    Answer B: It can hide a washed out roadbed, a deep hole or a missing cover

    You cannot see the surface under the water, and floods commonly wash the roadbed away or lift covers off drains.

  2. 2. You have a green left-turn arrow but a pedestrian is still walking in the crosswalk you must cross. What should you do?

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    Answer B: Wait until the crosswalk is clear before turning

    A green arrow protects you from other vehicles, but it never removes the duty to yield to a person already in the crosswalk.

  3. 3. You are hosting a party and a guest who has been drinking wants to drive home. What should you do?

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    Answer D: Stop serving and arrange a ride or a bed

    Only time removes alcohol, so a host who wants to prevent a crash has to remove the driving, not try to speed up sobering that cannot be sped up.

  4. 4. You are riding at 30 miles an hour and need to move quickly to the left. What do your hands do?

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    Answer D: Press forward on the left handgrip

    Above a walking pace a motorcycle turns by leaning, and pressing forward on the grip on the side you want to go is what starts the lean.

  5. 5. You are driving down a parking aisle and reach the main lane that runs along the front of the store. What is the usual rule?

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    Answer C: The main through lane has the right of way over the vehicles leaving the aisles

    In a parking lot the wide lane that runs across the ends of the aisles works like a through road, and drivers leaving an aisle yield to it.

  6. 6. A large truck ahead of you swings toward the left just before turning right at an intersection. What should you do?

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    Answer B: Stay back and never try to move into the gap between the truck and the curb

    Long vehicles need extra room and often swing wide to complete a right turn, so the space that opens on their right closes again as the trailer sweeps through it.

  7. 7. On a school speed limit sign, the part carrying the word SCHOOL is shown

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    Answer A: in black on a fluorescent yellow-green background

    The SCHOOL portion of the school speed limit sign uses the same fluorescent yellow-green background as school warning signs, while the speed portion keeps the standard regulatory appearance.

  8. 8. What is the basic rule for entering a roundabout?

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    Answer B: Traffic already circulating goes first, and you wait for a gap

    Entering traffic yields to vehicles already going around the circle, which is what keeps a roundabout moving instead of locking up.

  9. 9. You are already leaned over in a curve when you see loose gravel spread across the road ahead. What is the best response?

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    Answer B: Slow gently, bring the bike more upright, and cross the gravel with steady throttle

    A leaned tire has little grip left for braking or for loose stones. Reduce speed smoothly, get the motorcycle as upright as the curve allows, and hold a steady throttle across the gravel.

  10. 10. A lane control sign over one lane shows both a straight arrow and a left arrow. What does it tell drivers in that lane?

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    Answer A: Either movement may be made from that lane

    An optional movement lane control sign lists every movement permitted from the lane, so a driver may choose any arrow shown.

  11. 11. A line of short dashes set closer together than an ordinary lane line runs beside your lane where a ramp leaves the highway. What does a dotted line of that kind convey?

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    Answer A: A warning that the lane is about to change function

    Dotted lines give guidance or warning about a downstream change, such as a lane that becomes an exit only lane or a lane line carried across an intersection.

  12. 12. A curb lane is marked BUS ONLY 7 AM TO 9 AM. What may the driver of a car do?

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    Answer A: Use the lane outside those hours

    A part-time bus lane is reserved only during the posted period, and outside it the lane serves general traffic like any other.

  13. 13. What must a driver be ready to do along the stretch of road where this sign is posted?

    A five sided sign with a pointed top, a bright yellow green background and a black legend
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    Answer D: Slow down and stop for a child who steps into the roadway

    Children misjudge speed and distance and act without warning, so the driver reduces speed, covers the brake and scans the sidewalks and parked vehicles.

  14. 14. A center lane is bordered by a solid yellow line on the outside and a broken yellow line on the inside, with left-turn arrows painted in it. How may you use that lane?

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    Answer A: Only to make a left turn or to prepare for one from either direction

    That marking identifies a two-way left turn lane, which may only be used for left turns or to prepare for a left turn and never for travel or passing.

  15. 15. A wide solid white line separates the through lanes from an exit lane. What does it tell drivers?

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    Answer B: The choice of lane should already have been made

    A channelizing line marks where the paths separate and crossing it is discouraged or prohibited, so the lane change has to happen upstream.

  16. 16. You are traveling at 55 mph on a rural road and come up behind a horse-drawn buggy. What is the main danger?

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    Answer D: You close on it very quickly because it moves at walking pace

    A buggy travels only a few miles an hour, so the gap closes far faster than drivers expect and there is very little time to brake once you see it.

  17. 17. The driver of a slow farm vehicle moves partly onto the shoulder and waves you past. Who is responsible for the pass?

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    Answer A: You are, so pass only if you can see that the road is clear

    A courtesy wave is not a traffic control, and the driver who changes lanes is the one answerable for the maneuver.

  18. 18. The gates at a railroad crossing begin to come down as you approach. What must you do?

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    Answer A: Stop and wait until the gates are fully raised and the lights stop flashing

    Once the gates start down you must stop clear of the tracks and wait until they are fully raised and the warning lights have stopped.

  19. 19. How does marijuana affect a driver?

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    Answer C: It slows reaction time and impairs judgment of time and distance

    Marijuana impairs coordination, attention and the ability to judge speed and distance. Driving while impaired by it is illegal everywhere, even where its use is legal.

  20. 20. You have a green arrow to turn left. What still applies?

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    Answer D: You must yield to any pedestrian or vehicle still inside the intersection

    A green arrow protects your turn from conflicting traffic, but you must still let anyone already in the intersection get clear before you move.

  21. 21. A pedestrian waiting at a curb faces a steady upraised hand. What does that indication mean?

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    Answer A: Do not start to cross in that direction

    A steady upraised hand forbids entering the crosswalk, while a flashing hand only forbids starting a new crossing.

  22. 22. Why is it useful to watch the vehicle two or three places ahead of you?

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    Answer C: You get an earlier warning of slowing traffic than brake lights give

    Trouble travels back through a line of traffic, so seeing it start several vehicles ahead gives you a head start on braking.

  23. 23. Why should riding gloves fit snugly?

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    Answer C: So loose material does not dull your feel for the controls

    Bunched or baggy material gets between your hand and the grip, so a close fitting glove keeps the feel for the throttle, clutch and brake lever.

  24. 24. On a narrow two-lane road a line of vehicles has built up behind you. What is the safe and courteous action?

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    Answer D: Pull into a turnout or a safe wide spot and let them go by

    A slow vehicle holding up a queue invites risky passing; using a turnout clears the road without anyone having to take a chance.

  25. 25. When should a staggered group change to single file?

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    Answer C: In curves, in turns, and when entering or leaving a highway

    Curves, turns and highway entrances and exits require the full width of the lane, so the group rides single file at those points.