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Missouri driving lesson · Highway Driving

Lanes, blind spots and passing

A 3-minute lesson from the Missouri course. Read the rules and examples, follow the handbook page references, and check your understanding before you move on.

Read time
3 minutes
Course unit
Highway Driving
Checkpoint questions
6
Source pages
39, 40

Highway driving is about keeping right, checking blind spots and passing smoothly. Look down the road, to the sides and behind you. Never take your eyes off the road for more than a few seconds; to read a map, pull safely off the road.

Know the rule

On a highway with two lanes total (one each way), drive in the right lane. You may cross the center line to pass when there are no oncoming vehicles and no solid yellow line.

Handbook p. 39 ↗

Know the rule

On highways with four or more lanes, keep right unless you're passing slower traffic, letting another driver enter safely, or getting ready for a legal left turn.

Handbook p. 39 ↗

Know the rule

Check your speedometer often, especially when you leave high-speed roads for much slower local roads.

Handbook p. 39 ↗

Know the rule

Use the left lane only to pass. You may use the right lane to pass a vehicle that is making a left turn. Never pass on the shoulder or unpaved part of the highway.

Handbook p. 39 ↗

Blind spot

An area around your vehicle that you can't see in your rearview mirrors. Check it by briefly looking over your shoulder.

Handbook p. 39 ↗
Blind spot and mirror zones (labeled A, B, C)
Blind spots not covered by the inside and outside mirrors

How to pass on a highway:

  • Make sure you're in a safe passing zone
  • On four-lane highways, check the left lane with left and inside mirrors and a glance over your left shoulder
  • Signal that you're changing lanes
  • Pass quickly and smoothly without exceeding the speed limit
  • Don't return right until you see the passed vehicle in your rearview mirror
  • Look over your right shoulder and signal before moving back
Handbook p. 39 ↗

Know the rule

Avoid driving on either side and slightly behind another vehicle. Speed up or drop back, and get through a blind spot as quickly as you can without speeding.

Handbook p. 39 ↗

Know the rule

Never stay alongside or right behind a truck or bus. If you can't see the driver's face in the truck's side mirror, the driver can't see you.

Handbook p. 40 ↗

Know the rule

When another vehicle starts to pass you, stay in your lane and don't speed up. If many vehicles pass you on the right on a multilane road, move to the right lane when clear, unless you'll turn left soon.

Handbook p. 40 ↗

Put it into practice

On a four-lane highway you catch up to a slow car. Check your mirrors, glance over your left shoulder, signal and pass in the left lane. Return right only when you can see the car in your rearview mirror, after checking over your right shoulder and signaling.

Check your understanding

Read the question, decide on an answer, then open it to check the explanation. These are Roadwise study questions based on the source handbook.

On a highway with four or more lanes (two or more each direction), which lane should you normally drive in?
  1. The far left lane
  2. The right lane, except passing
  3. Whichever lane has the least traffic
  4. The center lane at all times

Answer: The right lane, except passing

On highways with four or more lanes, keep to the right unless passing slower traffic, letting someone merge, or preparing for a legal left turn.

Handbook p. 39 ↗
Which lane should you use to pass another vehicle on a multi-lane highway?
  1. The right lane only
  2. The shoulder
  3. The left lane
  4. The lane with the least traffic

Answer: The left lane

Use the left lane only to pass another vehicle on a highway (though you may use the right lane to pass a vehicle making a left turn).

Handbook p. 39 ↗
When you pass another vehicle on a highway, how should you get through its blind spot?
  1. Slowly, matching its speed
  2. As quickly as you can within the limit
  3. By briefly exceeding the speed limit
  4. By sounding your horn and holding position

Answer: As quickly as you can within the limit

When passing, get through the other driver's blind spot as quickly as you can without exceeding the speed limit.

Handbook p. 39 ↗
Before passing on a four-lane highway, what should you do to check for traffic in the left lane?
  1. Check mirrors and glance over your shoulder
  2. Rely only on your inside mirror
  3. Check only your left side mirror
  4. Signal, then merge at the first gap

Answer: Check mirrors and glance over your shoulder

Check the left lane using your left and inside mirrors, and briefly look over your left shoulder to check blind spots.

Handbook p. 39 ↗
Where should you never drive to pass another vehicle?
  1. In the left lane of a four-lane road
  2. On the shoulder
  3. Across a broken yellow center line
  4. In a marked passing lane

Answer: On the shoulder

Never use the shoulder or unpaved part of the highway to pass.

Handbook p. 39 ↗
If another vehicle begins to pass you, you should stay in your lane and not increase your speed.
  1. True
  2. False

Answer: True

When being passed, stay in your lane and do not speed up.

Handbook p. 40 ↗
Take the lesson checkpoint in the app

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