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California driving lesson · Lane Markings & Lane Types

Choosing & changing lanes

A 3-minute lesson from the California 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
Lane Markings & Lane Types
Checkpoint questions
6
Source pages
21

On multilane roads, lanes are numbered from the left. Picking the right lane early and changing lanes carefully prevents many collisions.

Number 1 Lane

The left (or fast) lane. The lane to its right is the Number 2 Lane, then the Number 3 Lane, and so on.

Handbook p. 21 ↗
Lane numbering diagram
Lanes are numbered from the left: the far-left lane is the Number 1 Lane

Choosing a lane:

  • Use the left lane to pass or turn left
  • Use the right lane to enter or exit traffic
  • Use the right lane when you enter the road from a curb or shoulder
Handbook p. 21 ↗

Before you change lanes:

  • Signal
  • Check your mirrors
  • Check traffic behind and beside you
  • Look over your shoulder in the direction you plan to move
  • Check blind spots for vehicles, motorcyclists, and bicyclists
  • Be sure there is enough space for your vehicle in the next lane
Handbook p. 21 ↗

Know the rule

It is not necessary to slow down before a lane change.

Handbook p. 21 ↗

Know the rule

Stay in one lane as much as possible. Do not weave in and out of traffic or let your vehicle drift into another lane.

Handbook p. 21 ↗

Know the rule

Once you start moving through an intersection, keep going. If you start to make a turn, follow through.

Handbook p. 21 ↗

Know the rule

If you miss a turn, keep driving until you can safely and legally turn around.

Handbook p. 21 ↗

Put it into practice

You realize at the last second that your turn is one street back. Don't brake hard or swerve. Continue to the next place where you can safely and legally turn around, then go back.

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.

What is the leftmost, fastest lane on a multilane road commonly called?
  1. The Number 2 Lane
  2. The carpool lane
  3. The express lane
  4. The Number 1 Lane

Answer: The Number 1 Lane

The left (or fast) lane is called the Number 1 Lane, with lanes numbered from left to right.

Handbook p. 21 ↗
Which lane should you generally use to enter or exit traffic from a curb or shoulder?
  1. The right lane
  2. The left lane
  3. The center turn lane
  4. The second lane from the right

Answer: The right lane

Use the right lane to enter or exit traffic, such as from a curb or shoulder.

Handbook p. 21 ↗
Before changing lanes, besides checking mirrors, what else should you do?
  1. Slow down before moving over
  2. Look over your shoulder toward the new lane
  3. Tap your brakes to warn others
  4. Turn on your emergency flashers

Answer: Look over your shoulder toward the new lane

Before changing lanes, look over your shoulder toward the direction you plan to move to check the lane is clear.

Handbook p. 21 ↗
Is it necessary to slow down before making a lane change?
  1. Yes, by 5 to 10 mph
  2. Yes, on surface streets
  3. No, it is not necessary
  4. Yes, when moving to the right

Answer: No, it is not necessary

The handbook states it is not necessary to slow down before a lane change.

Handbook p. 21 ↗
If you miss your intended turn, what should you do?
  1. Stop immediately in your lane
  2. Reverse back to the turn
  3. Cross the double yellow line to correct it
  4. Go on and turn around legally

Answer: Go on and turn around legally

If you miss a turn, keep driving until you can safely and legally turn around rather than making an unsafe maneuver.

Handbook p. 21 ↗
The far left lane on a multilane road is called the Number 2 Lane.
  1. True
  2. False

Answer: False

The far left (fast) lane is called the Number 1 Lane; lanes are numbered from left to right.

Handbook p. 21 ↗
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