PA DMV Traffic Laws and Regulations 3 — Questions and Answers
Question 1: In Pennsylvania, what is the minimum following distance recommended when driving behind a large truck at highway speeds?
- 1 second
- 2 seconds
- 4 seconds (Correct answer)
- 6 seconds
Correct answer: 4 seconds
Drivers are advised to maintain at least 4 seconds of following distance behind large trucks due to their extended stopping distances.
Question 2: What must a Pennsylvania driver do when approaching a stopped school bus with flashing red lights on a two-lane road?
- Slow to 15 mph and pass carefully
- Stop at least 10 feet away and wait until lights stop flashing (Correct answer)
- Yield and pass only if no children are visible
- Honk to alert children before passing
Correct answer: Stop at least 10 feet away and wait until lights stop flashing
Drivers must stop at least 10 feet from a school bus with flashing red lights and wait until the lights stop and the bus moves.
Question 3: In Pennsylvania, it is illegal to drive in the left lane of a multi-lane highway when:
- Traveling at the speed limit
- Other vehicles are traveling faster behind you (Correct answer)
- You intend to exit within 5 miles
- You are driving a commercial vehicle
Correct answer: Other vehicles are traveling faster behind you
Pennsylvania's Keep Right law requires slower drivers to move out of the left lane when other vehicles are traveling behind them.
Question 4: What does a yellow diamond-shaped sign with a truck symbol on a downgrade indicate?
- Truck weigh station ahead
- Steep downgrade — trucks use lower gear (Correct answer)
- Trucks prohibited on this road
- Truck crossing ahead
Correct answer: Steep downgrade — trucks use lower gear
A yellow diamond truck-on-downgrade sign warns truck drivers to use a lower gear to control speed on a steep hill.
Question 5: In Pennsylvania, which of the following is true about making a right turn at a red light?
- It is always prohibited
- It is permitted after a complete stop unless a sign prohibits it (Correct answer)
- It is permitted without stopping if no traffic is present
- It requires a green arrow signal
Correct answer: It is permitted after a complete stop unless a sign prohibits it
Pennsylvania allows right turns on red after a complete stop, unless a sign specifically prohibits it.
Question 6: When a Pennsylvania road has no posted speed limit in a business district, the default speed limit is:
- 25 mph
- 35 mph (Correct answer)
- 45 mph
- 55 mph
Correct answer: 35 mph
Pennsylvania's default speed limit in business districts is 35 mph when no other limit is posted.
Question 7: A driver in Pennsylvania must dim their high-beam headlights when within how many feet of an oncoming vehicle?
- 100 feet
- 200 feet
- 500 feet (Correct answer)
- 1,000 feet
Correct answer: 500 feet
Pennsylvania law requires drivers to switch from high beams to low beams within 500 feet of an oncoming vehicle.
PA DMV Traffic Laws and Regulations 3
In Pennsylvania, what is the minimum following distance recommended when driving behind a large truck at highway speeds?