Pennsylvania Driver's License Knowledge Test — Questions and Answers
Question 1: On a snowy road, how much extra following distance should you allow compared to dry conditions?
- Two times the normal distance
- Ten times the normal distance
- The same distance
- Three times the normal distance (Correct answer)
Correct answer: Three times the normal distance
Pennsylvania recommends at least three times the normal following distance on snowy or icy roads.
Question 2: A motorcyclist is riding in the left portion of a lane. This position is most likely chosen to:
- Increase visibility and avoid road hazards (Correct answer)
- Prepare for an illegal lane change
- Violate traffic laws
- Intimidate other drivers
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 3: What is the primary danger when a truck is turning right from a multi-lane road?
- The truck may swing wide into your lane before turning right (Correct answer)
- The truck's brakes may fail on the turn
- The truck's cargo doors may open
- The truck may stall during the turn
Correct answer: The truck may swing wide into your lane before turning right
Large trucks often swing left before turning right to allow clearance, which can trap vehicles positioned to their right.
Question 4: A sign showing a bicycle with an arrow pointing into a lane means:
- Bicycles must exit here
- Bicycles may share or use this lane (Correct answer)
- Bicycle crossing ahead — yield to bikes
- No bicycles beyond this point
Correct answer: Bicycles may share or use this lane
A bicycle lane sign indicates cyclists are permitted — or required — to use that designated lane.
Question 5: Double parking means parking a vehicle:
- In a handicapped space without a placard
- Alongside a vehicle already parked at the curb (Correct answer)
- On both sides of a one-way street
- In two adjacent parking spaces
Correct answer: Alongside a vehicle already parked at the curb
Double parking is when a vehicle is parked in the roadway beside a vehicle already parked at the curb, which is illegal in Pennsylvania.
Question 6: A junior driver with a clean record wishes to obtain an unrestricted senior license before turning 18. Which of the following is a required condition they must meet?
- They must be at least 17 years and 9 months old.
- They must have held their junior license for at least 12 months without any crashes or convictions. (Correct answer)
- They must pass the initial written knowledge test again.
- They must log an additional 20 hours of supervised driving.
Correct answer: They must have held their junior license for at least 12 months without any crashes or convictions.
To apply for a senior license before age 18, a junior driver must have held their license for at least one year and have maintained a record free of crashes and convictions during that period. They must also complete an approved driver's education course.
Question 7: Pennsylvania requires that a vehicle's horn be checked during inspection. What standard must it meet?
- Any audible sound is acceptable
- Electric horns are exempt from inspection
- It must produce a sound audible at least 200 feet away (Correct answer)
- It must sound for at least 3 seconds continuously
Correct answer: It must produce a sound audible at least 200 feet away
Pennsylvania regulations require the horn to be audible at a minimum distance of 200 feet.
Question 8: If your vehicle fails the inspection, what is the next step?
- Pay a fine and continue driving as usual
- Appeal the result with the inspection station
- Obtain a waiver to bypass the inspection
- Repair the identified issues and have the vehicle reinspected (Correct answer)
Correct answer: Repair the identified issues and have the vehicle reinspected
If a vehicle fails its inspection, it means it does not meet the required safety or emissions standards. The owner must repair the identified issues to bring the vehicle into compliance and then have it reinspected to confirm that all deficiencies have been corrected before it can be legally operated.
Question 9: Which Pennsylvania counties require an emissions inspection in addition to a safety inspection?
- Specific southeastern and south-central counties (Correct answer)
- Only rural counties
- All 67 counties
- Only Allegheny County
Correct answer: Specific southeastern and south-central counties
Emissions testing is required in select southeastern and south-central Pennsylvania counties with air quality concerns.
Question 10: While driving on a multi-lane highway in Pennsylvania, you notice the lane lines are broken white lines. What does this indicate?
- This marks the right edge of the roadway and should not be crossed.
- Lanes are moving in the same direction, and you may cross the lines to pass or change lanes. (Correct answer)
- A special-use lane, such as a reversible lane, is beginning.
- Lanes are moving in opposite directions, and passing is permitted.
Correct answer: Lanes are moving in the same direction, and you may cross the lines to pass or change lanes.
In Pennsylvania, broken white lines are used to separate lanes of traffic moving in the same direction. Drivers are permitted to cross these lines to change lanes or to pass other vehicles when it is safe to do so.
Question 11: What does a double solid yellow center line mean?
- Passing is allowed from both directions
- Passing is allowed only from the left lane
- Passing is prohibited from both directions (Correct answer)
- Passing is allowed when the road is clear
Correct answer: Passing is prohibited from both directions
A double solid yellow line means neither direction of traffic may cross it to pass.
Question 12: When driving a combination vehicle, what is 'trailer sway' most commonly caused by?
- Overloading the tractor's fifth wheel
- Excessive speed, especially on curves or ramps (Correct answer)
- Underinflated front tires on the tractor
- Running with the air conditioner at full power
Correct answer: Excessive speed, especially on curves or ramps
Trailer sway (fishtailing) most commonly occurs when a driver takes curves, ramps, or makes sudden steering inputs at excessive speeds.
Question 13: What is the legal BAC (blood alcohol content) limit for non-commercial drivers age 21 and older in Pennsylvania?
- 0.05%
- 0.10%
- 0.06%
- 0.08% (Correct answer)
Correct answer: 0.08%
Pennsylvania's legal BAC limit for non-commercial drivers 21 and older is 0.08%; above this is per se DUI.
Question 14: A pavement arrow with the word 'ONLY' beneath it in a lane means:
- You may turn or go straight from this lane
- Turning is restricted to certain hours
- The lane is for emergency vehicles only
- You must move in the direction indicated; no other movement is permitted (Correct answer)
Correct answer: You must move in the direction indicated; no other movement is permitted
When 'ONLY' accompanies a directional arrow, drivers in that lane must follow the arrow's direction and no other movement is allowed.
Question 15: Which of the following is a 'serious traffic violation' that can lead to CDL disqualification if two occur within 3 years?
- Failing to yield to a pedestrian
- Excessive speeding (15+ mph over the limit) (Correct answer)
- Failure to use turn signals
- Parking in a no-parking zone
Correct answer: Excessive speeding (15+ mph over the limit)
Speeding 15 mph or more over the posted speed limit in a CMV is classified as a serious traffic violation under federal CDL regulations.
Question 16: Under Pennsylvania CDL law, if a CDL holder's license is suspended in another state, what happens to their Pennsylvania CDL?
- Nothing — Pennsylvania only recognizes in-state violations
- The Pennsylvania CDL is also suspended for the same period (Correct answer)
- The driver must retest to retain the Pennsylvania CDL
- The Pennsylvania CDL is revoked permanently
Correct answer: The Pennsylvania CDL is also suspended for the same period
Pennsylvania must honor out-of-state suspensions and will apply a corresponding suspension to the Pennsylvania CDL under the Driver License Compact.
Question 17: When overtaking a bicycle on a narrow two-lane road with oncoming traffic, you should:
- Sound your horn and pass regardless of oncoming traffic
- Wait until oncoming traffic clears before passing the bicyclist (Correct answer)
- Pass quickly to minimize time in the oncoming lane
- Straddle the center line as you pass
Correct answer: Wait until oncoming traffic clears before passing the bicyclist
You must wait for a clear gap in oncoming traffic large enough to safely pass the bicyclist with the required 4-foot clearance.
Question 18: A sign showing an 'X' with the letters 'RR' means:
- Railroad crossing ahead (Correct answer)
- Rest area route
- Restricted road entry
- Road repair zone
Correct answer: Railroad crossing ahead
An 'RR' crossbuck or X sign marks a railroad crossing, warning drivers to watch for trains.
Question 19: What does a steady red 'X' signal over a highway lane indicate?
- Speed limit is reduced in this lane
- The lane is closed; do not use it (Correct answer)
- Carpool lane ahead
- Merge right immediately
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 20: A driver is convicted of failing to stop for a school bus with its red lights flashing. In addition to a 60-day license suspension, how many points will be added to their driving record?
- 6 points
- 4 points
- 3 points
- 5 points (Correct answer)
Correct answer: 5 points
Failing to stop for a school bus with its red lights flashing and stop arm extended is a serious offense that results in the addition of 5 points to the driving record, as well as a mandatory 60-day license suspension.
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