You may not cross a single broken white or yellow line: You may not cross a single broken white or yellow line:

• A. when turning left into a driveway
• B. when passing to the right on a one-way street
• C. when to do so would interfere with traffic
•  

  The correct answer is C

   

  Crossing a broken white line doesn't violate any traffic rule, but before you do so, make sure that it's safe and that you won't interfere or obstruct traffic.