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West Virginia CDL — General Knowledge practice

West Virginia 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

14 questions · pass with 11 correct. You get instant feedback and an explanation after every answer.

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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.

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  1. 1. Under the road test's lane usage standard, what must you keep your vehicle from going over?

    Correct answer: Curbs, sidewalks, or lane markings

    The lane usage standard tells you not to put the vehicle over curbs, sidewalks or lane markings, and to finish each turn in the correct lane.

    Source: West Virginia Commercial Driver's License Manual — Section 13.1.11, General Driving Behaviors

  2. 2. On the road test's stop/start maneuver, your vehicle has come to a full stop at the roadside. What do you do with your signals?

    Correct answer: Cancel the turn signal and switch on the four-way emergency flashers

    Once stopped, you cancel the right turn signal, turn on the four-way flashers, set the parking brake, shift to neutral or park and take your feet off the pedals.

    Source: West Virginia Commercial Driver's License Manual — Section 13.1.6, Stop/Start

  3. 3. You plan to back with a helper. When does the manual say to work out your hand signals?

    Correct answer: Before you begin backing

    Agree on hand signals you both understand before the vehicle moves, and make sure one of them means stop. The helper covers blind spots you cannot see.

    Source: West Virginia Commercial Driver's License Manual — Section 2.2.4, Backing Safely

  4. 4. On West Virginia's point chart, how do failing to obey a traffic light and giving an improper signal or no signal compare?

    Correct answer: The traffic light violation is 3 points; the signal violation is 2

    Failure to obey a traffic light is a 3-point violation. An improper signal, or no signal at all, is listed at 2 points along with improper turning and improper backing.

    Source: West Virginia Commercial Driver's License Manual — Chapter IV, Point System

  5. 5. West Virginia's drowsy-driving addendum lists signs that you are drowsy at the wheel. Which of these, involving traffic signals, is on the list?

    Correct answer: Falling asleep at stop lights

    Falling asleep at stop lights heads the addendum's list. Others include yawning, heavy eyelids, trouble remembering the last few miles, missed signs or exits, unplanned lane changes and hitting the rumble strips.

    Source: West Virginia Commercial Driver's License Manual — Addendum, Avoiding Drowsy Driving

  6. 6. The manual says the areas used for the basic vehicle control test may be marked in several ways. Which does it name?

    Correct answer: Traffic lanes, cones, barriers, or something similar

    In the basic vehicle control segment you move the vehicle forward, backward and through turns inside a defined area. Lanes, cones or barriers can serve as the markings, and the examiner explains each exercise beforehand.

    Source: West Virginia Commercial Driver's License Manual — Section 1.1.2, Skills Tests

  7. 7. In fog, the manual has you use low-beam headlights and fog lights. What does it tell you to be alert for?

    Correct answer: Drivers who never switched their own lights on

    Low beams and fog lights give the best visibility in fog, even in daytime, but not everyone remembers to switch lights on, so watch for vehicles running dark.

    Source: West Virginia Commercial Driver's License Manual — Section 2.12, Driving in Fog

  8. 8. Why might the drivers behind you need you to flash your brake lights when there is trouble ahead?

    Correct answer: Your vehicle's size may keep them from seeing the hazard

    A large vehicle can block the view of the road ahead for those following. When something ahead will make you slow, tap the brakes so the lights flash a warning.

    Source: West Virginia Commercial Driver's License Manual — Section 2.5.1, Signal Your Intentions

  9. 9. West Virginia's drowsy-driving addendum lists clues that another driver may be drowsy. Which one involves pavement markings?

    Correct answer: Drifting across edge lines or center lines

    A drowsy driver wanders: out of the lane, over the edge or center line, onto the rumble strips. Careful use of the markings is the opposite of the clue.

    Source: West Virginia Commercial Driver's License Manual — Addendum, Avoiding Drowsy Driving

  10. 10. The hydraulic brake check on the Vehicle Inspection test has a final step involving a warning device. What do you confirm?

    Correct answer: That the warning light or buzzer is not on

    After pumping the pedal three times and holding it for five seconds, and listening for the reserve system motor if the vehicle has one, you make sure no warning buzzer or light is showing.

    Source: West Virginia Commercial Driver's License Manual — Section 11.1.2, Cab Check/Engine Start

  11. 11. During the Vehicle Inspection test, how must the brake light, turn signal and four-way flasher functions be checked?

    Correct answer: Separately, one function at a time

    A note in the cab check says each of those three functions gets its own check rather than one combined look. External lights are also checked for being clean, working and the right color.

    Source: West Virginia Commercial Driver's License Manual — Section 11.1.2, Cab Check/Engine Start

  12. 12. The manual's oil pressure figure gives normal readings for an engine. What is the range while operating?

    Correct answer: 35 to 75 psi

    The figure shows 5 to 20 psi at idle and 35 to 75 psi while operating. The gauge should reach a normal reading within seconds of the engine starting.

    Source: West Virginia Commercial Driver's License Manual — Section 2.1.5, Seven-step Inspection Method

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Every West Virginia question is written from the official West Virginia driver handbook and checked against its current edition. DMV Test Free is a free, independent study resource — not affiliated with any DMV or government agency. About DMV Test Free