Arkansas CDL — General Knowledge practice
Arkansas CDL — General Knowledge: Signals & Pavement Markings practice test
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 · August 12, 2026
15 questions · pass with 12 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.
Show all 12 questions with answers
1. If you must keep driving in fog, which lighting does the manual recommend?
Correct answer: Low-beam headlights and fog lights, even in daytime, plus four-way flashers
In fog, low beams and fog lights give the best visibility, even during the day. Four-way flashers help vehicles coming up behind you notice you sooner.
Source: Commercial Driver's License Manual — Section 2.12, Driving in Fog
2. When the examiner tells you to pull back out after the stop/start maneuver, which signals should you use?
Correct answer: Turn off the four-way flashers and turn on the left turn signal
Before resuming, check mirrors and traffic, switch off the flashers, and signal left. Cancel the left signal once you are back in the flow of traffic.
Source: Commercial Driver's License Manual — Section 13, On-road Driving
3. At night you are following another vehicle about 400 feet ahead. Which headlights should you use?
Correct answer: Low beams, because you are within 500 feet of the vehicle ahead
High beams can glare in the rearview mirrors of drivers ahead of you. Dim them whenever you follow another vehicle within 500 feet.
Source: Commercial Driver's License Manual — Section 2.11, Driving at Night
4. What color should the clearance lights, identification lights, and reflectors on the front of a truck be?
Correct answer: Amber
During the walk-around, the clearance and identification lights and the reflectors at the front should be clean, working, and amber. Red is used for lights and reflectors at the rear.
Source: Commercial Driver's License Manual — Section 2.1, Vehicle Inspection
5. During the road test's stop/start maneuver, you have pulled over and stopped. Which signal steps come next?
Correct answer: Cancel the turn signal and turn on the four-way flashers
Once you are stopped for this maneuver, cancel the turn signal and switch on the four-way emergency flashers, then set the parking brake and shift to neutral or park.
Source: Commercial Driver's License Manual — Section 13, On-road Driving
6. Along the side of a vehicle, which side-marker lights and reflectors should be red?
Correct answer: Those at the rear; the rest should be amber
Side-marker lights and reflectors should be red toward the rear of the vehicle and amber everywhere else along the side.
Source: Commercial Driver's License Manual — Section 2.1, Vehicle Inspection
7. You drive a placarded vehicle on the road test and come to a railroad crossing. When should you turn off the four-way flashers?
Correct answer: After the vehicle has crossed the tracks
Turn the flashers on as you approach, stop 15 to 50 feet from the nearest rail, look and listen, and cross without shifting. Switch the flashers off once you are past the tracks.
Source: Commercial Driver's License Manual — Section 13, On-road Driving
8. Car drivers behind you may not realize how slowly a large vehicle must take a tight turn. How should you warn them?
Correct answer: Brake early and slow down gradually
Give drivers behind you notice before a tight turn by starting to brake early and reducing speed little by little instead of slowing all at once.
Source: Commercial Driver's License Manual — Section 2.5, Communicating
9. You must drive well below the speed of traffic on a highway. Where it is legal, how should you alert drivers coming up behind you?
Correct answer: Turn on your four-way emergency flashers
Drivers often don't notice how fast they are closing on a slow vehicle. Use the four-way flashers when driving slowly if it is legal; flasher laws vary from state to state.
Source: Commercial Driver's License Manual — Section 2.5, Communicating
10. Where on a trailer is the yellow ABS malfunction lamp found?
Correct answer: On the left side, at either the front or rear corner
Tractors, trucks, and buses show the yellow ABS lamp on the instrument panel. Trailers carry it on the left side, at the front or rear corner.
Source: Commercial Driver's License Manual — Section 2.18, Antilock Braking Systems (ABS)
11. On some older ABS-equipped vehicles, how long might the ABS malfunction lamp stay lit after start-up even though the system is fine?
Correct answer: Until the vehicle is moving faster than about 5 mph
Newer systems light the lamp briefly as a bulb check. On older systems it may stay lit until you pass about five mph. If it stays on after that, or comes on while driving, ABS control may be lost.
Source: Commercial Driver's License Manual — Section 2.18, Antilock Braking Systems (ABS)
12. At night, an oncoming vehicle is approaching. By the time it is within what distance should you have switched to low beams?
Correct answer: 500 feet
Dim your headlights within 500 feet of an oncoming vehicle. High beams are fine when safe and legal and no approaching vehicle is that close.
Source: Commercial Driver's License Manual — Section 2.11, Driving at Night
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