Philadelphia Drivers License Practice Test 2025 - Free Driver's License Practice Questions and Study Guide

The purpose of turn signals is primarily to communicate your intentions to other drivers on the road. This act of signaling allows other motorists to anticipate your next move, such as turning or changing lanes, thereby promoting a safer driving environment. By using turn signals, drivers provide vital information that helps prevent accidents, as it engages in a form of non-verbal communication that is understood universally among road users.

Other options focus on different aspects of driving safety but do not specifically address the core function of turn signals. While alerting pedestrians is important, it is not the primary role of turn signals. Indicating speed changes is typically communicated through brake lights or the car's speedometer rather than turn signals. Similarly, warning of road conditions might be conveyed through various signs or signals, but is outside the intended use of turn signals. Thus, communicating intentions to other drivers is the essential role that turn signals fulfill.