Pennsylvania Driver's License Knowledge Test — Questions and Answers
Question 1: When approaching a steady red light at an intersection in Pennsylvania, a driver in the left lane of a one-way street intends to turn left onto another one-way street. What is the correct procedure?
- The driver must wait for a green light before making the turn.
- The driver may turn left without stopping if the way is clear.
- The driver may turn left after stopping, if there is no sign prohibiting the turn and it is safe to proceed. (Correct answer)
- This maneuver is never permitted in Pennsylvania.
Correct answer: The driver may turn left after stopping, if there is no sign prohibiting the turn and it is safe to proceed.
Pennsylvania law permits a left turn on a red light from a one-way street onto another one-way street. The driver must first come to a complete stop, yield to all pedestrians and cross-traffic, and proceed only when it is safe to do so, provided no sign prohibits the turn.
Question 2: How many years must a Pennsylvania junior driver hold a learner's permit before applying for the Junior Driver License?
- 6 months (Correct answer)
- 3 months
- 1 year
- 2 years
Correct answer: 6 months
A learner's permit must be held for at least 6 months before a junior driver can apply for a Junior Driver License in Pennsylvania.
Question 3: When an emergency vehicle is stopped on the shoulder ahead with lights flashing, Pennsylvania's Move Over Law requires you to:
- Honk to acknowledge the emergency workers
- Slow to 10 mph as you pass
- Stop behind the emergency vehicle until it moves
- Move over one lane if possible, or reduce speed significantly if not (Correct answer)
Correct answer: Move over one lane if possible, or reduce speed significantly if not
Pennsylvania's Move Over Law requires drivers to move over one full lane away from stopped emergency vehicles or, if unable to, slow down significantly.
Question 4: A sign showing an 'X' with the letters 'RR' means:
- Road repair zone
- Railroad crossing ahead (Correct answer)
- Restricted road entry
- Rest area route
Correct answer: Railroad crossing ahead
An 'RR' crossbuck or X sign marks a railroad crossing, warning drivers to watch for trains.
Question 5: When parallel parking in Pennsylvania, you should leave how much space between your vehicle and the one in front?
- At least 12 inches (Correct answer)
- At least 24 inches
- At least 6 inches
- At least 18 inches
Correct answer: At least 12 inches
Leave at least 12 inches between your vehicle and the cars parked in front and behind to allow safe exit.
Question 6: How often must most vehicles undergo an inspection in Pennsylvania?
- Every 2 years
- Every 6 months
- Only when the vehicle changes ownership
- Every 12 months (Correct answer)
Correct answer: Every 12 months
In Pennsylvania, most vehicles are required to undergo a safety inspection every 12 months. This annual inspection ensures that vehicles meet state safety standards, such as proper functioning brakes, lights, and tires, which is crucial for maintaining road safety for all drivers.
Question 7: Under Pennsylvania CDL rules, which of the following is considered a 'serious traffic violation'?
- Failure to use turn signal in a personal vehicle
- Failure to pay a toll
- Expired vehicle registration
- Excessive speeding (15+ mph over the limit) in a CMV (Correct answer)
Correct answer: Excessive speeding (15+ mph over the limit) in a CMV
Excessive speeding of 15 mph or more over the posted speed limit while operating a CMV qualifies as a serious traffic violation.
Question 8: What must a driver do before leaving a parked vehicle on a public road in Pennsylvania?
- Leave the engine running for a quick return
- Set the parking brake and remove the ignition key (Correct answer)
- Leave the hazard lights flashing
- Roll down the windows slightly
Correct answer: Set the parking brake and remove the ignition key
Pennsylvania law requires setting the parking brake and removing the ignition key to prevent the vehicle from rolling or being stolen.
Question 9: What does a double solid yellow centerline mean on a two-lane road?
- Lane ends ahead
- Passing is permitted only from the left lane
- Passing is prohibited from both directions (Correct answer)
- Passing is permitted from both directions
Correct answer: Passing is prohibited from both directions
Double solid yellow lines mean no passing is allowed from either direction of travel.
Question 10: What does a flashing yellow traffic signal mean?
- Proceed with caution (Correct answer)
- The signal is out of order — treat as a stop sign
- Stop and wait for a green signal
- Yield to all cross traffic
Correct answer: Proceed with caution
A flashing yellow light warns drivers to slow down and proceed through the intersection with caution.
Question 11: A 'WRONG WAY' sign is typically what color and shape?
- Orange diamond
- Red rectangle with white letters (Correct answer)
- Yellow diamond
- White rectangle
Correct answer: Red rectangle with white letters
Wrong Way signs are red rectangles with white letters, used to warn drivers who have entered a one-way road going against traffic.
Question 12: What does a flashing yellow traffic light mean in Pennsylvania?
- Yield to oncoming traffic
- Stop and wait for green
- Proceed with caution (Correct answer)
- Come to a complete stop
Correct answer: Proceed with caution
A flashing yellow light means slow down and proceed with caution — you are not required to stop.
Question 13: When a vehicle fails a Pennsylvania safety inspection, how long does the owner have to make repairs before retesting?
- 90 days
- 30 days
- The rejection sticker is valid until the next inspection month
- 60 days (Correct answer)
Correct answer: 60 days
A rejection sticker is valid for 60 days, giving the owner time to make repairs and return for reinspection.
Question 14: What does a steady red 'X' signal over a highway lane indicate?
- Carpool lane ahead
- Merge right immediately
- Speed limit is reduced in this lane
- The lane is closed; do not use it (Correct answer)
Correct answer: The lane is closed; do not use it
A steady red X above a lane means that lane is closed and drivers must move to an open lane.
Question 15: A motorcyclist is riding in the left portion of a lane. This position is most likely chosen to:
- Intimidate other drivers
- Increase visibility and avoid road hazards (Correct answer)
- Violate traffic laws
- Prepare for an illegal lane change
Correct answer: Increase visibility and avoid road hazards
Motorcyclists often ride in the left portion of a lane to increase their visibility to other drivers and avoid debris near the road's edge.
Question 16: If a Pennsylvania driver's license has been expired for more than 1 year, what is typically required to reinstate full driving privileges?
- Pass the vision test only
- Wait 30 days then renew online
- Pay a late renewal fee only
- Pass both the written and road skills tests (Correct answer)
Correct answer: Pass both the written and road skills tests
If a Pennsylvania license has been expired for more than one year, the driver must pass both the written knowledge test and the road skills test to renew.
Question 17: Which of the following is required for a Pennsylvania School Bus (S) endorsement applicant?
- A valid passenger (P) endorsement only
- A minimum of 2 years of CMV driving experience
- A valid air brakes restriction removal only
- A background check and a valid Class B or A CDL (Correct answer)
Correct answer: A background check and a valid Class B or A CDL
Applicants for the School Bus endorsement must hold a Class A or B CDL and pass a background check in addition to the endorsement knowledge and skills tests.
Question 18: You are driving on a highway and need to merge. You should:
- Merge immediately regardless of speed difference
- Accelerate to match highway speed before merging (Correct answer)
- Honk to signal your intent to merge
- Stop at the end of the on-ramp and wait for a gap
Correct answer: Accelerate to match highway speed before merging
Drivers should use the acceleration lane to reach highway speed, making merging safer and smoother.
Question 19: When approaching a roundabout while sharing the road with cyclists, drivers should:
- Use the horn to alert cyclists to move to the shoulder
- Pass cyclists quickly inside the roundabout to clear it faster
- Yield to cyclists already in the roundabout and give them space (Correct answer)
- Proceed through the roundabout first since vehicles have priority
Correct answer: Yield to cyclists already in the roundabout and give them space
Cyclists already in the roundabout have the right-of-way, and drivers must yield and give them adequate space to navigate the circle safely.
Question 20: At what minimum age can a Pennsylvania resident apply for a learner's permit?
- 15½ (Correct answer)
- 15
- 14
- 16
Correct answer: 15½
Pennsylvania residents may apply for a learner's permit at age 15½ (15 years and 6 months).
Pennsylvania Driver's License Knowledge Test
The PennDOT knowledge test evaluates your understanding of Pennsylvania traffic laws, road signs, signals, markings, and safe driving practices as outlined in the PA Driver's Manual. You must score at least 83% to pass.
Exam Rules
- You can skip questions and return to them later
- Flag questions for review before submitting
- No feedback shown until you submit the entire exam
- Unanswered questions count as wrong — answer everything
- 10 pretest questions are mixed in and don't affect your score
- Timer auto-submits when time runs out
- Your progress is auto-saved every 30 seconds