Steady signals — Louisiana Permit Test

Steady signals on the Louisiana permit test — 6 rules, each with the reason behind it and a question on it while it is fresh.

The rules

If you are stopped and the light turns green, you must let crossing traffic clear the intersection before you go.

A car running the late red may still be crossing, and pulling out at once puts you in its path.

If you are stopped at the intersection and the light turns green, you must allow crossing traffic to clear the intersection before you go ahead.
Class D & E Driver's Guide, p.33

On a steady green light you may turn left, but only when the intersection is clear.

Oncoming cars on a green have the right to go straight, so you must wait for a real gap.

Turning left at a steady green traffic light means you may turn but only when the intersection is clear to do so.
Class D & E Driver's Guide, p.33

A steady yellow light warns that red is coming; slow down and stop if you can do so before the stop bar.

Yellow means red is next. Stopping when you safely can keeps you out of the intersection when cross traffic starts.

You should slow down and come to a complete stop, if you can do so before the stop bar.
Class D & E Driver's Guide, p.33

If you are already in the intersection when the light turns yellow, you may continue safely through.

Stopping in the middle would leave you in the path of cross traffic when their light turns green.

If you are already in the intersection when the yellow light comes on, you may continue safely through the intersection.
Class D & E Driver's Guide, p.33

At a steady red light, stop behind the stop bar, crosswalk or intersection until the signal turns green.

Cross traffic has the green, and a car rolling in front of it will be hit from the side.

Steady RED Traffic Light – This means stop behind the stop bar, crosswalk, or intersection until the traffic signal turns green.
Class D & E Driver's Guide, p.34

Some left turns may be permitted on red when moving from a one-way street onto another one-way street.

Only when both streets run one way is there no oncoming lane to cut across on that turn.

Some left turns may be permitted on red when moving from a one-way street onto another one-way street.
Class D & E Driver's Guide, p.34

On the test

You are stopped and your light turns green. What must you do before going?

Let crossing traffic clear first. A car running the late red may still be crossing, and pulling out at once puts you in its path. Class D & E Driver's Guide, p.33: “If you are stopped at the intersection and the light turns green, you must allow crossing traffic to clear the intersection before you go ahead.”

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 Class D & E Driver's Guide, published by the Louisiana Department of Public Safety, and against the state code itself. Last checked 2026-10-04.