No passing zones — Missouri Permit Test

No passing zones on the Missouri permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.

The rules

Two-lane roads may have no passing zones marked with a solid yellow line.

The line is doing the work of a sign you may never see. On a two-lane road it is the only warning you get.

Two-lane roads may have “no passing zones” marked with a solid yellow line.

Missouri Driver Guide, p.42

You must complete passing before you enter a no passing zone.

The zone does not begin when you notice it. Being halfway through a pass when it starts is already too late.

You must complete passing before you enter the no passing zone.

Missouri Driver Guide, p.42

When you see a solid yellow line on your side of the center line, do not try to pass.

The line on your side is the one addressed to you. The other side may be legal to pass on while yours is not.

When you see a solid yellow line on your side of the center line, do not try to pass.

Missouri Driver Guide, p.42

On any two-lane road, never pass if you cannot see that the road is clear for the distance you need, even where there is no marking.

Paint is a help, not a permission. The judgment about sight distance is always yours.

On any two-lane road, never pass if you cannot see the road is clear for the distance you need to make a pass, even if there is no marking on the roadway.

Missouri Driver Guide, p.42

On the test

How is a no passing zone marked on a two-lane road?

With a solid yellow line. The line is doing the work of a sign you may never see. On a two-lane road it is the only warning you get. Missouri Driver Guide, p.42: “Two-lane roads may have “no passing zones” marked with a solid yellow line.”

How this works

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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.

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Where these come from

Every rule here is checked against Missouri Driver Guide, published by the Missouri Department of Revenue, and against the state code itself. Last checked 2026-09-16.