Missouri: Speed and following distance — Part 1 Practice Test
Questions in this part include: “Which of these does the examiner watch for as part of your use of good driving rules?” · “What is the best way to control your speed?”
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Questions are original and based on the official manual "Missouri Driver Guide" (Revised August 2026), Missouri Department of Revenue.
All 20 questions in this practice test
Take the test above first, then use this list to study. Tap “Show answer” to see the correct answer and explanation.
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Which of these does the examiner watch for as part of your use of good driving rules?
- How fast you finish the whole route
- How often you use the horn on route
- Distance from the vehicle ahead of you
- How often you change lanes on the route
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Correct answer: Distance from the vehicle ahead of you
The examiner tests for the distance between your vehicle and the vehicle in front of you, along with speed, lane use, awareness and yielding.
Source: Missouri Driver Guide (Revised August 2026), page 21 · Open this page in the manual (Manual page 21)
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When may the driver of a motor vehicle overtake and pass to the right of another vehicle?
- When the vehicle overtaken is making or about to make a left turn
- When the vehicle overtaken is traveling below the speed limit
- When the vehicle overtaken is making or about to make a right turn
- When the driver ahead has signaled for you to go around
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Correct answer: When the vehicle overtaken is making or about to make a left turn
Passing on the right is allowed only under listed conditions, and one is when the vehicle being overtaken is making or about to make a left turn.
Source: Missouri Driver Guide (Revised August 2026), page 22 · Open this page in the manual (Manual page 22)
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Which of these is a place where you may overtake and pass another vehicle on the right?
- On a one-way street
- On a two-lane road with a dashed center line
- On a hill with a clear view ahead
- On a street in a school zone
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Correct answer: On a one-way street
The manual lists a one-way street as one of the conditions under which a driver may overtake and pass to the right.
Source: Missouri Driver Guide (Revised August 2026), page 22 · Open this page in the manual (Manual page 22)
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Outside a city, on what kind of highway may you pass to the right of another vehicle?
- One with unobstructed pavement clearly marked for two lanes
- One with a paved shoulder wide enough for another vehicle
- One with unobstructed pavement clearly marked for four or more lanes
- Any highway with a posted speed limit of 55 mph or more
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Correct answer: One with unobstructed pavement clearly marked for four or more lanes
Outside a city, passing on the right is allowed upon a highway with unobstructed pavement of sufficient width and clearly marked for four or more lanes of traffic.
Source: Missouri Driver Guide (Revised August 2026), page 22 · Open this page in the manual (Manual page 22)
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On a city street, passing to the right is allowed when the unobstructed pavement is wide enough for how many lines of vehicles in each direction?
- One
- Two or more
- Three or more
- Five or more
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Correct answer: Two or more
On a city street with unobstructed pavement of sufficient width for two or more lines of vehicles in each direction, a driver may pass to the right.
Source: Missouri Driver Guide (Revised August 2026), page 22 · Open this page in the manual (Manual page 22)
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What does the manual say about passing on the right by driving off the paved or main traveled portion of the roadway (the shoulder)?
- It is allowed when the traffic ahead is stopped
- It is allowed on highways outside a city
- It is allowed when the shoulder is paved
- It is never allowed, in any situation
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Correct answer: It is never allowed, in any situation
The manual states that in no event shall passing on the right be done by driving off the paved or main traveled portion of the roadway.
Source: Missouri Driver Guide (Revised August 2026), page 22 · Open this page in the manual (Manual page 22)
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When your view is obstructed, within what distance of a bridge, viaduct, or tunnel must you not drive to the left side of the roadway?
- 50 feet
- 200 feet
- 300 feet
- 100 feet
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Correct answer: 100 feet
No vehicle shall be driven to the left side of the roadway when the view is obstructed upon approaching within 100 feet of any bridge, viaduct, or tunnel.
Source: Missouri Driver Guide (Revised August 2026), page 22 · Open this page in the manual (Manual page 22)
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Within what distance of an intersection or railroad grade crossing must you not drive to the left side of the roadway?
- 25 feet
- 100 feet
- 150 feet
- 500 feet
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Correct answer: 100 feet
The manual forbids driving to the left side of the roadway when approaching within 100 feet of or at any intersection or railroad grade crossing.
Source: Missouri Driver Guide (Revised August 2026), page 22 · Open this page in the manual (Manual page 22)
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Which of these means no vehicle may be driven to the left side of the roadway?
- The vehicle ahead is driving below the speed limit
- The vehicle ahead is signaling a right turn
- There is a solid yellow line
- The road is wet from rain
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Correct answer: There is a solid yellow line
A solid yellow line is one of the listed conditions under which no vehicle shall be driven to the left side of the roadway.
Source: Missouri Driver Guide (Revised August 2026), page 22 · Open this page in the manual (Manual page 22)
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Where is driving to the left side of the roadway not allowed because your view is obstructed?
- On a curve where your view is obstructed
- On a straight road with a clear view ahead
- On a four-lane highway outside a city
- On a street with a wide shoulder
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Correct answer: On a curve where your view is obstructed
No vehicle shall be driven to the left side when approaching the crest of a grade or upon a curve where the driver's view is obstructed and could create a hazard.
Source: Missouri Driver Guide (Revised August 2026), page 22 · Open this page in the manual (Manual page 22)
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A fully loaded tractor-trailer may take about how far to come to a complete stop, in the manual's comparison with a car traveling at 55 mph?
- About 200 feet
- Almost 400 feet
- About 600 feet
- About 1,000 feet
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Correct answer: Almost 400 feet
The manual says a fully loaded tractor-trailer may take almost 400 feet to come to a complete stop.
Source: Missouri Driver Guide (Revised August 2026), page 29 · Open this page in the manual (Manual page 29)
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What is the best way to control your speed?
- Follow the vehicle ahead closely
- Use your brakes often
- Know how fast you are going
- Match the speed of the fastest traffic
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Correct answer: Know how fast you are going
The best way to control your speed is to know how fast you are going.
Source: Missouri Driver Guide (Revised August 2026), page 37 · Open this page in the manual (Manual page 37)
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When is it especially important to check your speedometer and pay attention to posted speed limits?
- When you are driving at night on an unlit rural road
- When you leave high speed roads for much slower local roads
- When you are following a large truck on a highway
- When you start driving on a road with no traffic
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Correct answer: When you leave high speed roads for much slower local roads
It is especially true when you leave high speed roads and begin driving on much slower local roads.
Source: Missouri Driver Guide (Revised August 2026), page 37 · Open this page in the manual (Manual page 37)
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Traffic crashes involving two or more vehicles often happen when drivers do what?
- Drive in the same lane at the same speed
- Go faster or slower than other vehicles on the road
- Use their turn signals too early
- Keep a safe distance from the vehicle ahead
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Correct answer: Go faster or slower than other vehicles on the road
Crashes involving two or more vehicles often happen when drivers go faster or slower than other vehicles on the road, while vehicles moving the same way at the same speed cannot hit one another.
Source: Missouri Driver Guide (Revised August 2026), page 38 · Open this page in the manual (Manual page 38)
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According to the manual, how much time does speeding save?
- No more than a few minutes an hour
- About ten minutes an hour
- Up to half an hour on a long trip
- A large amount of time on highways
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Correct answer: No more than a few minutes an hour
Speeding does not save more than a few minutes an hour.
Source: Missouri Driver Guide (Revised August 2026), page 38 · Open this page in the manual (Manual page 38)
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If you are going faster than traffic, what happens each time you pass someone?
- You gain a safer following distance
- Your fuel use drops
- There is a chance for a collision
- Other drivers have more time to see you
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Correct answer: There is a chance for a collision
Each time you pass someone, there is a chance for a collision.
Source: Missouri Driver Guide (Revised August 2026), page 38 · Open this page in the manual (Manual page 38)
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How does going much slower than other vehicles affect the traffic around you?
- Other drivers slow down and match your speed safely
- Vehicles bunch up behind you and drivers become impatient
- Traffic spreads out and passing becomes easier
- Drivers behind you become more careful and alert
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Correct answer: Vehicles bunch up behind you and drivers become impatient
Going much slower than other vehicles tends to make vehicles bunch up behind you, and drivers then become impatient and pass you.
Source: Missouri Driver Guide (Revised August 2026), page 38 · Open this page in the manual (Manual page 38)
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If vehicles are piled up behind you, what should you do?
- Speed up above the limit to get away from them
- Stay in your lane and signal them to go around
- Switch on your hazard flashers and keep your speed
- Pull over and let them pass when it is safe to do so
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Correct answer: Pull over and let them pass when it is safe to do so
If vehicles are piled up behind you, you pull over and let them pass when it is safe to do so.
Source: Missouri Driver Guide (Revised August 2026), page 38 · Open this page in the manual (Manual page 38)
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How often should you check your rearview mirrors to keep track of approaching traffic?
- Every few minutes
- Once every mile
- Every few seconds
- Only before changing lanes
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Correct answer: Every few seconds
You check your rearview mirrors every few seconds to keep track of the approaching traffic.
Source: Missouri Driver Guide (Revised August 2026), page 38 · Open this page in the manual (Manual page 38)
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What can slowing suddenly cause?
- A traffic crash
- Brake failure
- A flat tire
- Engine stalling
Show answer
Correct answer: A traffic crash
Slowing suddenly can cause a traffic crash.
Source: Missouri Driver Guide (Revised August 2026), page 38 · Open this page in the manual (Manual page 38)