Louisiana Car / Permit practice
Signals & Pavement Markings
How to read traffic signals, lane lines, and pavement markings — including yellow and white lines, arrows, and flashing lights.
Content reviewed against official driver handbooks · July 7, 2026
13 questions · pass with 10 correct. You get instant feedback and an explanation after every answer.
Study questions with answers
12 sample Signals & Pavement Markings questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.
1. What does a solid white line separating lanes of traffic tell a driver?
Correct answer: Crossing it should be done only with great care
A single solid white line signals that changing lanes there is hazardous; you should cross it only with great care.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Lane Markings
2. What does a steady green arrow displayed at a signal permit?
Correct answer: A protected turn in the direction the arrow points
A green arrow lets you turn in the direction it points, provided the intersection is clear, while opposing traffic must yield to your protected turn.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Traffic Signals
3. White pavement markings shaped like a large 'X' with two 'R' letters warn you of what?
Correct answer: A railroad crossing just ahead
These markings appear in the traffic lane ahead of a railroad crossing and are accompanied by a no-passing centerline and a stop line.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Railroad Crossing Markings
4. A steady yellow traffic light is telling drivers what?
Correct answer: The signal is about to change to red
The steady yellow warns that the signal is about to turn red, so you should slow and stop if you can do so safely before the stop bar.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Traffic Signals
5. A flashing yellow traffic light indicates that a driver should do what?
Correct answer: Slow down and go through carefully, watching for traffic
A flashing yellow means slow down and move ahead with caution, watching for traffic entering the intersection and stopping if any is present.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Traffic Signals
6. How should a driver respond to a flashing red traffic signal?
Correct answer: Stop completely and go on only after yielding
A flashing red is handled just like a stop sign: stop fully, look both ways, and continue only after yielding the right-of-way.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Traffic Signals
7. A steady 'DON'T WALK' pedestrian signal means what for someone on foot?
Correct answer: They must not enter the roadway toward the signal
A steady DON'T WALK tells pedestrians they must not step off the curb into the roadway toward the signal.
Source: Louisiana Class D & E Driver's Guide, Ch. 5 - Pedestrian Signals
8. A double solid white line between two lanes going the same direction means what?
Correct answer: Crossing the line is prohibited
Double solid white lines, most common on interstates, separate same-direction lanes and may not be crossed.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Lane Markings
9. A lane bordered on both sides by solid and broken yellow lines in the center of a road is intended for what?
Correct answer: Making left turns by traffic from either direction
This combination marks a two-way left turn lane, usable by traffic from either direction for left turns only, never for through travel or passing.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Two-Way Left Turn Lane
10. What does a single broken yellow line down the center of a two-lane road tell you?
Correct answer: You may cross it to pass or turn when it is safe
You drive to the right of the broken yellow centerline, and you may cross it to pass or turn when it is safe.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Center Lines
11. A steady red arrow pointing left means what for a driver in the turn lane?
Correct answer: You must not turn left until the green arrow returns
A red arrow forbids the movement it points to until a green arrow appears, so you must remain stopped and not turn left.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Traffic Signals
12. Two solid yellow lines marking the center of a four-lane roadway mean what?
Correct answer: You may cross them to turn but not to pass
Double solid yellow lines may not be crossed to pass, though you may cross them to make a turn.
Source: Louisiana Class D & E Driver's Guide, Ch. 3 - Center Lines
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