If you plan to turn beyond an intersection, you must signal:

When planning to turn beyond an intersection, signaling just after you pass through the intersection is critical to communicate your intentions to other drivers and pedestrians. This allows for a clear indication of your actions once you have safely cleared the intersection, making it easier for others to understand your driving maneuvers.

Signaling at this point can prevent confusion and potential accidents, as vehicles following behind or to the side will be aware of your upcoming turn. It’s important to ensure that your turn is safe and legal, which means ensuring that any lanes you might enter after the intersection are clear and that you have given other drivers sufficient warning about your actions.

For clarity, signaling before entering or as you approach the intersection may create misunderstandings about your intended route. Drivers might assume you're turning at the intersection itself rather than beyond it. Likewise, signaling immediately after turning does not provide advance notice and can lead to unsafe situations if others are not aware of your actions ahead of time.