When entering a highway, should you come to a complete stop before merging into traffic?

• Yes, it's a safe practice to stop before merging.
• No, you should not stop unless absolutely necessary.
  Explanation:

  "

  When entering a highway, you must merge into highway traffic when it is safe to do so. There is no need to stop unless absolutely necessary.

  "
• Only if you see a
• It depends on the traffic conditions.