Missouri DOR Permit Practice Test 12
- Questions25
- Correct to pass20
- Passing score80%
- Minimum age15 years
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1. A stop line is painted across the pavement at this sign. Where must the vehicle come to rest?
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Answer A: Behind the stop line, with no part of the vehicle across it
The vehicle must halt behind the stop line; where no line is painted the driver stops before the crosswalk, and where there is neither, before entering the intersection.
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2. You are about to drive a rental car that you have never driven before. What should you do?
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Answer A: Adjust the seat and the mirrors and find the controls before moving off
Hunting for the wipers or the lights in traffic is a distraction, so learn the layout while the vehicle is stopped.
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3. On a street with parking along the curb, the shared lane marking is painted well out from the curb face. What does that placement tell a bicyclist?
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Answer C: To ride clear of the doors of parked cars
The marking is set at least eleven feet from the curb where parking is allowed so that riders are guided outside the reach of an opening door.
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4. The light ahead is green, but traffic beyond the intersection is backed up so far that you could not clear it. What is the correct action?
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Answer D: Wait behind the stop line until there is room on the far side
Entering an intersection you cannot clear blocks cross traffic and pedestrians, so you should hold your position until space opens on the other side.
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5. What should a driver do first after passing this sign?
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Answer A: Move into the right-hand lane and stay there
Traffic returns to two-way operation, so the driver keeps to the right of the centerline and stops treating the left side as available.
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6. May you stop briefly across the sloped ramp that joins the sidewalk to the street at a corner?
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Answer B: No, that ramp must stay clear for people using wheelchairs
A curb ramp is the only way many people can get from the sidewalk to the crosswalk, so blocking it even briefly is prohibited.
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7. In plain words, what is oversteer?
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Answer C: The rear of the vehicle slides out and the car turns too sharply
Oversteer means the rear tires have lost grip first, so the tail swings out and the vehicle turns more than you asked it to.
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8. Where is a U-turn most clearly unsafe and generally prohibited?
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Answer D: On a curve or near a hill crest, where other drivers cannot see you
U-turns are barred where approaching drivers cannot see you in time, such as on a curve or near the top of a hill.
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9. A curb sign reads 2 Hour Parking, 8 AM to 6 PM, Monday to Saturday. When may you stay longer than two hours?
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Answer A: Outside those hours and on Sundays
A time limit applies only during the days and hours printed on the sign; outside them the ordinary parking rules apply.
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10. A yellow diamond shows an arrow that doubles back on itself. What kind of curve lies ahead?
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Answer C: A turn of 135 degrees or more, nearly doubling back
The hairpin curve sign is used where the road changes direction by 135 degrees or more, and it is normally backed up by chevrons or a large arrow through the bend.
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11. Which stationary vehicles trigger Missouri's move over duty besides those showing red or red and blue lights?
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Answer A: Those showing amber, or amber and white, lights
Missouri's move over law covers a stationary vehicle displaying lighted amber, or amber and white, lights as well as red or red and blue lights.
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12. A signal on an entrance ramp changes from red to green and lets one vehicle at a time onto the highway. What should you do?
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Answer A: Stop on the red and go on the green, one vehicle for each green
A ramp meter spaces vehicles out so they join the highway one at a time instead of arriving as a group, and it is a traffic signal like any other.
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13. Enhanced reference location markers differ from ordinary mileposts in that they
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Answer B: carry the route number and a mileage figure to the tenth of a mile
An enhanced reference location marker adds the route designation and carries the mileage to a tenth, so the point named is far more precise than a plain milepost.
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14. A yellow diamond showing arrows arranged in a circle warns of
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Answer B: a circular intersection such as a roundabout ahead
The circular intersection warning sign announces a roundabout or traffic circle so drivers can slow down and prepare to yield to traffic already circulating.
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15. Two vehicles reach a four-way stop at the same moment from adjacent roads. Who should go first?
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Answer A: The driver on the right
When two drivers stop at a four-way stop at the same time, the driver on the left yields to the driver on the right.
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16. Traffic is backed up beyond a railroad crossing. When may you start across the tracks?
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Answer B: Only when there is room for your whole vehicle on the far side
Never enter a crossing you cannot clear; a vehicle stopped on the tracks in a queue has nowhere to go if the signals start.
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17. You are driving along a street lined with parked cars. What should you watch for?
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Answer B: Doors opening, vehicles pulling out and pedestrians stepping from between cars
Parked cars hide people and can move without warning. Keep as much space from them as you safely can and cover the brake.
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18. 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.
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19. Why is it dangerous to make a left turn from the second lane from the center?
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Answer C: Because a driver in the lane beside you is turning into the same space
Drivers in the proper turn lane are entitled to that space, and turning across them puts two vehicles into one path through the intersection.
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20. In most states, when are headlights required apart from times of poor visibility?
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Answer A: From about half an hour after sunset to half an hour before sunrise
Most states require lights from about half an hour after sunset until about half an hour before sunrise, and some simply say sunset to sunrise; lights are also required whenever visibility is poor.
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21. You are stopped at the yield line of a roundabout when an emergency vehicle comes up behind you with lights and siren. What should you do?
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Answer A: Stay out of the roundabout and pull over to the right of your lane if there is room
Never enter a roundabout ahead of an emergency vehicle and never stop inside one; wait clear of the entry so the crew can get through.
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22. When should you adjust your seat, mirrors and steering wheel?
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Answer B: Before you start moving
Adjusting the driving position while moving takes your attention and often your hands away from driving. Make every adjustment while parked, every time.
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23. How can you tell that a child safety seat is installed tightly enough?
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Answer C: It moves less than an inch side to side or front to back at the belt path
A correctly installed seat is nearly immovable where the belt or lower anchors pass through it. Excess movement lets the child's body travel farther in a crash.
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24. You are calling 911 to report a crash. Which information matters most?
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Answer C: The exact location, how many people are hurt and any hazard such as fire
Dispatchers need to know where to send help, how much help to send, and what dangers the crews will meet on arrival.
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25. A sign at the start of an exit ramp shows a speed much lower than the highway limit. What does it apply to?
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Answer C: The curve of the ramp itself, once you have left the highway
The ramp speed is set by the sharpness of the ramp curve, so you slow to it inside the deceleration lane rather than out on the highway.