PennDOT Signs, Signals, and Markings 2 — Questions and Answers
Question 1: What does a yellow diamond-shaped sign with a truck symbol on a steep hill indicate?
- Truck weigh station ahead
- Trucks must use lower gear on downgrade (Correct answer)
- Trucks prohibited on this road
- Truck loading zone ahead
Correct answer: Trucks must use lower gear on downgrade
A yellow diamond sign with a truck on a hill warns that the grade is steep enough that trucks must use lower gears to control speed.
Question 2: A flashing yellow arrow traffic signal means:
- Stop and wait for a green signal
- You may turn after yielding to oncoming traffic and pedestrians (Correct answer)
- Turn is fully protected; proceed without yielding
- Turn is prohibited in this direction
Correct answer: You may turn after yielding to oncoming traffic and pedestrians
A flashing yellow arrow means you may turn in that direction but must first yield to oncoming traffic and pedestrians.
Question 3: What does a white rectangular sign with the word 'YIELD' in red mean?
- Stop completely before proceeding
- Slow down and give the right-of-way to traffic in the intersection (Correct answer)
- Road narrows ahead
- Merge with traffic on the left
Correct answer: Slow down and give the right-of-way to traffic in the intersection
A YIELD sign requires you to slow down and give the right-of-way to other vehicles and pedestrians before entering the intersection.
Question 4: What do white lane markings on a Pennsylvania roadway indicate?
- Lanes of opposing traffic
- Lanes traveling in the same direction (Correct answer)
- No-passing zones
- Edge of the roadway only
Correct answer: Lanes traveling in the same direction
White lane markings separate lanes of traffic moving in the same direction, while yellow markings separate opposing traffic.
Question 5: A green traffic signal arrow pointing left means:
- Left turn yield on green
- Protected left turn; oncoming traffic is stopped (Correct answer)
- Left turn permitted but use caution
- Left turn prohibited
Correct answer: Protected left turn; oncoming traffic is stopped
A solid green arrow means your left turn is fully protected and oncoming traffic has a red signal.
Question 6: What is the meaning of a sign with a red circle and a diagonal bar over a U-turn symbol?
- U-turns are permitted here
- U-turns are prohibited (Correct answer)
- U-turns only during certain hours
- U-turns allowed for trucks only
Correct answer: U-turns are prohibited
A red circle with a diagonal bar over any symbol means that action is prohibited; a U-turn symbol indicates U-turns are not allowed.
Question 7: What does a blue sign with a white 'H' symbol indicate on a Pennsylvania highway?
- Helicopter landing zone
- Hospital ahead (Correct answer)
- Historical site nearby
- Hazardous materials route
Correct answer: Hospital ahead
A blue sign with a white 'H' is a guide sign directing drivers to a hospital.
PennDOT Signs, Signals, and Markings 2
What does a yellow diamond-shaped sign with a truck symbol on a steep hill indicate?