White lane lines — Nevada Permit Test

White lane lines on the Nevada permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.

The rules

Broken white lines mark lanes on roads with more than one lane moving in the same direction; passing is permitted when safe.

A driver who mistakes these for center lines may refuse to change lanes or drift into the wrong one.

Broken or dashed white lines are used to mark traffic lanes on roads which have more than one lane moving in the same direction.
Nevada Driver Handbook, p.32

When solid white lines separate lanes of traffic moving in the same direction, do not change lanes or pass.

Solid lines are laid where a lane change is risky, such as near ramps, and crossing them causes sideswipes.

When solid white lines separate lanes of traffic moving in the same direction, do not change lanes or pass.
Nevada Driver Handbook, p.32

A solid white line also marks the edge of the highway and the boundary between a travel lane and the shoulder.

At night or in rain the edge line is what keeps a driver out of the soft shoulder and the ditch.

A solid white line is also used to mark the edge of the highway as well as the boundary between a travel lane and a highway shoulder.
Nevada Driver Handbook, p.32

Dotted white lines may extend a lane line through an intersection or mark exit-only lanes on a freeway.

A driver who stays in a lane marked this way may be forced off the freeway at an exit they did not want.

Dotted white lines may either indicate an extension of a lane line through an intersection or may indicate exit-only lanes on a freeway.
Nevada Driver Handbook, p.32

On the test

What do broken white lines between lanes mean?

Lanes go the same way; you may pass if safe. A driver who mistakes these for center lines may refuse to change lanes or drift into the wrong one. Nevada Driver Handbook, p.32: “Broken or dashed white lines are used to mark traffic lanes on roads which have more than one lane moving in the same direction.”

How this works

Most practice tests hand you a bank of questions and leave the manual somewhere else. This one puts them together.

You read one law and the reason behind it, then answer a question on that law while it is still fresh. Get it right and you move on; get it wrong and you have found the gap while it is cheap to fix, not on the morning of the exam.

Learning one rule at a time, and proving it immediately, is what turns a manual you skimmed into something you actually know — and it makes studying feel like getting somewhere rather than like waiting to find out.

What it costs

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Where these come from

Every rule here is checked against Nevada Driver Handbook, published by the Nevada Department of Motor Vehicles, and against the state code itself. Last checked 2026-10-04.