PA DMV Pennsylvania Traffic Laws — Questions and Answers
Question 1: What is the legal blood alcohol concentration limit for drivers 21 and over in Pennsylvania?
- 0.08% (Correct answer)
- 0.10%
- 0.05%
- 0.02%
Correct answer: 0.08%
Pennsylvania sets the legal BAC limit at 0.08% for drivers aged 21 and older, consistent with the national standard.
Question 2: In Pennsylvania, what must you do when approaching a stopped school bus with flashing red lights?
- Stop regardless of your direction of travel unless separated by a physical median (Correct answer)
- Stop only if traveling in the same direction
- Slow down and pass carefully
- Honk to alert children
Correct answer: Stop regardless of your direction of travel unless separated by a physical median
Pennsylvania law requires all traffic from both directions to stop for a school bus with activated red flashing lights, unless separated by a physical barrier.
Question 3: What is the maximum speed limit on Pennsylvania interstate highways?
- 70 mph (Correct answer)
- 55 mph
- 85 mph
- 60 mph
Correct answer: 70 mph
The maximum speed limit on Pennsylvania interstate highways is 70 mph, though lower limits may be posted in urban areas and construction zones.
Question 4: In Pennsylvania, when must you turn on your headlights?
- From sunset to sunrise and when visibility is reduced (Correct answer)
- Only after midnight
- Only during heavy rain
- Only on highways
Correct answer: From sunset to sunrise and when visibility is reduced
Pennsylvania requires headlights from sunset to sunrise and when visibility is reduced by weather conditions such as rain, fog, or snow.
Question 5: What is Pennsylvania's implied consent law?
- By driving, you consent to chemical testing if lawfully arrested for impaired driving (Correct answer)
- You consent to vehicle searches at any time
- You consent to speed checks
- You consent to having your vehicle impounded
Correct answer: By driving, you consent to chemical testing if lawfully arrested for impaired driving
Pennsylvania's implied consent law means that by operating a motor vehicle, you automatically agree to submit to chemical testing if lawfully arrested for driving under the influence.
Question 6: What are the seat belt requirements in Pennsylvania?
- Primary enforcement for front seats (Correct answer)
- No seat belt law exists
- Only drivers must wear seat belts
- Seat belts are optional for all adults
Correct answer: Primary enforcement for front seats
Pennsylvania's seat belt law requires occupants to be properly restrained while the vehicle is in motion.
PA DMV Pennsylvania Traffic Laws
What is the legal blood alcohol concentration limit for drivers 21 and over in Pennsylvania?