Correct Answers with Explanations | Graded A+ | New
Update 2026/2027
Complete California Driver's License Study Guide All Questions with Multiple
Choice Options and Rationales
BAC and Alcohol Limits
It is illegal for a person 21 years of age or older to drive with a blood alcohol
concentration (BAC) that is ______ or higher.
A) 0.05%
B) 0.08% ✓
C) 0.10%
D) 0.15%
Correct Answer: B) 0.08%—Eight hundredths of one percent
Rationale: California law sets the legal BAC limit at 0.08% for drivers 21 and older.
At this level, most drivers experience significant impairment in judgment,
coordination, and reaction time. For commercial drivers, the limit is 0.04%, and for
drivers under 21, it's 0.01% (zero tolerance).
Speed and Traffic Conditions
You are driving on a freeway posted for 65mph. Traffic is heavy and moving at
35mph. The best speed for your vehicle is most likely:
,A) 65 mph
B) 55 mph
C) 35 mph ✓
D) 45 mph
Correct Answer: C) 35 mph
Rationale: The best speed is the speed of traffic, even when it's below the posted
limit. Driving faster than the flow of traffic creates hazards and increases collision
risk. Traffic speed is the safest speed in congested conditions.
Collision Reporting
You must notify law enforcement and file a Report of Traffic Accident Occurring
in California (SR 1) with DMV when:
A) You have a collision and there is an injury or death ✓
B) Your vehicle is damaged
C) Someone scratches your car
D) You hit a parked car
Correct Answer: A) You have a collision and there is an injury or death
Rationale: You must report any collision involving injury, death, or property
damage over $1,000. The SR-1 form must be filed within 10 days. This
requirement applies regardless of who caused the collision.
You must notify DMV within 5 days if you:
A) Sell or transfer your vehicle ✓
B) Change your oil
C) Get a parking ticket
D) Move to a new apartment
Correct Answer: A) Sell or transfer your vehicle
,Rationale: California law requires you to notify DMV within 5 days when you sell
or transfer a vehicle. This releases you from liability and ensures proper
registration records. This is a legal requirement that protects both buyer and
seller.
Pedestrians and Crosswalks
A pedestrian starts to cross the street after the "Don't Walk" signal begins to
flash. The pedestrian is in the middle of the street when your signal light
changes to green. You should:
A) Proceed through the intersection
B) Honk to warn the pedestrian
C) Wait until the pedestrian crosses the street before proceeding ✓
D) Drive around the pedestrian
Correct Answer: C) Wait until the pedestrian crosses the street before proceeding
Rationale: Pedestrians in the crosswalk have the right-of-way, even if they started
crossing illegally. Safety takes precedence over right-of-way rules. Wait until the
pedestrian has completely cleared your path before proceeding.
Freeway Exits
You exit a freeway on a ramp that curves downhill. You should:
A) Accelerate to maintain speed
B) Slow to a safe speed before the curve ✓
C) Brake in the middle of the curve
D) Maintain speed and steer carefully
Correct Answer: B) Slow to a safe speed before the curve
, Rationale: Slow down before entering a downhill curve. Braking in the curve can
cause skidding, especially on wet or slippery surfaces. The combination of
downhill grade and curvature requires reduced speed for safety.
Hazard Response
A vehicle suddenly "cuts" in front of you creating a hazard. Which of these
actions should you take first?
A) Slam on your brakes
B) Swerve to avoid them
C) Take your foot off the gas ✓
D) Honk your horn
Correct Answer: C) Take your foot off the gas
Rationale: The first response to a hazard is to remove your foot from the
accelerator. This begins deceleration without the risk of locking brakes or losing
control. After easing off the gas, you can evaluate whether braking or steering is
needed.
Intersections
You are approaching a green traffic light, but traffic is blocking the intersection.
What is the best thing to do?
A) Enter the intersection and wait
B) Honk to clear traffic
C) Don't enter the intersection until you can get completely across ✓
D) Go around the blocked intersection
Correct Answer: C) Don't enter the intersection until you can get completely
across