Under what conditions should you avoid passing other vehicles?

• When the road is slippery
• When the road is too wide
• When you can't see 500 feet ahead on hills or curves
  Explanation:

  "You should avoid passing other vehicles when you can't see 500 feet ahead on hills or curves. Limited visibility in these areas increases the risk of encountering oncoming traffic or unexpected obstacles, making passing extremely dangerous."
• When being followed by another vehicle