PennDOT Driver's Knowledge 3

Question 1

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

Accepted Answer

Slow down, look, and listen before crossing

Answer

At unguarded crossings, you must slow down, look both ways, and listen before crossing the tracks.

Question 2

What should you do if you miss your exit on a Pennsylvania highway?

Accepted Answer

Continue to the next exit and turn around

Answer

You must continue to the next exit and use proper roads to return — backing up or crossing solid lines on a highway is illegal and dangerous.

Question 3

In Pennsylvania, what is the blood alcohol concentration (BAC) limit for drivers 21 and older?

Accepted Answer

0.08%

Answer

The legal BAC limit for drivers 21 and older in Pennsylvania is 0.08%.

Question 4

Which of the following is true about right-of-way at an uncontrolled intersection in Pennsylvania?

Accepted Answer

The vehicle on the left must yield to the vehicle on the right

Answer

At an uncontrolled intersection, the driver on the left must yield to the driver on the right.

Question 5

When changing lanes on a Pennsylvania highway, you must:

Accepted Answer

Check mirrors, signal, check blind spot, then move

Answer

Safe lane changes require checking mirrors, signaling your intent, checking your blind spot, then smoothly moving over.

(PennDOT) Pennsylvania Department of Transportation Practice Test