Traffic Laws and Regulations Flashcards

Under Pennsylvania law, what is the blood alcohol concentration (BAC) limit for drivers under 21 years old?

Answer: 0.02%

Pennsylvania applies a stricter BAC limit of 0.02% for drivers under 21, making virtually any alcohol a violation.

In Pennsylvania, what is the minimum age to obtain a junior driver's license?

Answer: 16

Pennsylvania teens may apply for a junior driver's license at age 16 after holding a learner's permit for at least 6 months.

What does a white rectangular sign with black lettering generally communicate to drivers?

Answer: Regulatory requirements such as speed limits

White rectangular signs with black lettering are regulatory signs that communicate laws and requirements drivers must follow.

In Pennsylvania, when is it legal to pass another vehicle on the right?

Answer: When the vehicle ahead is making or about to make a left turn

Pennsylvania law permits passing on the right when the vehicle ahead is turning left, provided it is safe to do so.

A driver convicted of driving without a valid Pennsylvania license faces:

Answer: Fines and possible vehicle impoundment

Driving without a valid license in Pennsylvania can result in fines and possible impoundment of the vehicle.

On Pennsylvania highways, the maximum speed limit for passenger vehicles unless otherwise posted is:

Answer: 70 mph

Pennsylvania's maximum speed limit on interstate highways for passenger vehicles is 70 mph unless a lower limit is posted.

When approaching a railroad crossing with no gates or signals, Pennsylvania law requires drivers to:

Answer: Yield only if a train is visible

At uncontrolled railroad crossings, drivers must yield (and stop if necessary) if a train is approaching, visible, or audible.