When is it appropriate to use a turn signal?

Answer: B — Whenever changing direction or lanes

Using a turn signal is essential for safe driving and is required by law. It is appropriate to signal whenever you change direction or lanes, which includes turning at intersections, merging into another lane, or entering or exiting a roadway. By using your turn signal, you provide notice to other drivers and pedestrians of your intended actions, helping to prevent accidents and ensure a smoother flow of traffic. This practice of signaling improves overall roadway safety as it informs others of your next move, allowing them to adjust accordingly. It also demonstrates good driving etiquette and consideration for other road users. In contrast, signaling only when changing lanes or under specific situations, such as when directed by an officer, does not promote comprehensive communication about your driving intentions.