At what distance should you signal before a lane change?

Signaling before changing lanes is essential for communicating your intentions to other drivers and ensuring safety on the road. The correct answer indicates that you should signal at least 100 feet before changing lanes. This distance allows sufficient time for other drivers to see your signal and react accordingly, which helps prevent accidents.

In practical terms, signaling 100 feet in advance gives a clear indication of your intentions to those around you, especially in dense traffic situations or at higher speeds. Additionally, this distance strikes a balance, providing enough time for others to respond without unnecessarily delaying your lane change. Adhering to this guideline enhances road safety, promotes courteous driving behavior, and aligns with the expectations of other road users.

While shorter signaling distances may not provide enough warning to other drivers, signaling too far in advance could cause confusion or lead to unpredictable driving behavior. Therefore, 100 feet is considered a practical standard for effective communication and safety during lane changes.