Commercial Driver’s License (CDL) Practice Exam 2025 – All-in-One Guide to Master Your CDL Test!

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When should turn signals be used when driving?

At least 50 feet before turning or changing lanes

At least 100 feet before turning or changing lanes

Turn signals should be used at least 100 feet before turning or changing lanes because this distance allows other drivers and pedestrians ample time to react to the driver’s intended movement. Signaling in advance communicates your intentions clearly, helping to enhance safety on the road. This practice is especially important in areas with high traffic volume or when there are other road users nearby, as it allows them to adjust their driving accordingly.

Using turn signals only at the moment of turning or changing lanes may not give sufficient warning to those around you, potentially leading to unsafe situations. Conversely, signaling well in advance helps to create a more predictable driving environment, which is essential for overall road safety.

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Only when entering intersections

As soon as you start to turn

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