California Driver's License Theory and Regulations Quiz

Test your knowledge on California traffic laws with this quiz. Questions cover DUI penalties, speed limits, road signs, and more.

#1

What does a solid yellow line on the road indicate?

No passing allowed
Passing allowed with caution
Passing allowed with speed limit
Passing allowed on weekends only
#2

When approaching a school bus with flashing red lights, what must drivers do?

Pass quickly on the left side
Stop in both directions until the lights stop flashing
Honk to alert the bus driver
Drive cautiously, but no need to stop
#3

What is the penalty for a first-time conviction of driving under the influence (DUI) in California?

License suspension for 3 months
License suspension for 6 months
License suspension for 1 year
License suspension for 2 years
#4

In California, when must you use snow chains on your tires?

Only during blizzards
Whenever it is snowing
When driving in mountainous areas with snow-covered roads
Only during nighttime
#5

What is the maximum speed limit on most California highways unless otherwise posted?

55 mph
65 mph
70 mph
75 mph
#6

What is the legal blood alcohol concentration (BAC) limit for drivers aged 21 and over in California?

0.05%
0.08%
0.10%
0.15%
#7

When should you use your headlights according to California law?

Only at night
During rain, snow, fog, or low visibility conditions
Only in residential areas
Only on weekends
#8

What is the 'Move Over' law in California?

A law requiring drivers to change lanes when approaching an emergency or service vehicle with flashing lights
A law requiring drivers to honk at emergency vehicles
A law requiring drivers to exceed the speed limit when near emergency vehicles
A law requiring drivers to stop and take pictures of emergency vehicles
#9

In California, what is the speed limit in business or residential districts?

20 mph
25 mph
30 mph
35 mph
#10

When approaching a railroad crossing with flashing red lights, what should you do?

Proceed with caution if no train is visible
Stop and wait until the lights stop flashing
Drive around the gates if they are down
Honk your horn and proceed quickly
#11

What is the purpose of a diamond-shaped yellow sign?

Indicates a warning or caution
Mandatory action ahead
Stop and yield to oncoming traffic
Designates a school zone
#12

What is the 'Basic Speed Law' in California?

Always drive at the posted speed limit
Drive at a speed that is reasonable and prudent
Drive at least 10 mph below the speed limit
Drive as fast as the car in front of you
#13

In California, when can you make a legal U-turn?

On a one-way street when a green arrow permits it
In a residential area during daylight hours
At any intersection with a traffic light
Across a double yellow line
#14

What is the purpose of a diamond-shaped lane marking?

Reserved for high-occupancy vehicles (HOV)
Indicates a bicycle lane
No passing zone
Speed limit ahead
#15

When can you pass a vehicle on the right in California?

Never
When the vehicle is turning left and there is an available lane
Only on one-way streets
During rush hour traffic
#16

In California, what is the minimum age to obtain a learner's permit?

15 1/2 years old
16 years old
17 years old
18 years old
#17

What is the legal speed limit in California school zones when children are present?

15 mph
20 mph
25 mph
30 mph

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