Ace the Idaho Driver's Written Test 2025 – Steer Your Way to Success!

Question: 1 / 400

What does a solid white line on the road indicate?

It is safe to pass

No changing lanes

A solid white line on the road serves as a significant visual cue for drivers. It indicates that lane changes are discouraged or prohibited. This is particularly important in situations where maintaining lane discipline is critical for safety, such as on highways or in urban areas where vehicles may be closely spaced. The presence of a solid white line signifies that crossing it could lead to dangerous interactions between vehicles, making it vital to stay within the confines of your designated lane.

In contrast, a broken white line would allow for lane changes, illustrating the distinction in road markings and their meanings. Drivers should always be attentive to these markings, as they are designed to regulate traffic flow and enhance safety for all road users. Understanding this can prevent accidents and promotes adherence to traffic laws.

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Speed limit change ahead

Road construction zone ahead

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