Traffic Laws

Study questions with answers

12 sample Traffic Laws questions with the correct answer, a short explanation, and the official handbook reference. Read through them, then take the quiz above.

1. 1. Which equipment must be installed for a two-wheeled motorcycle to be operated legally in Washington?

   Correct answer: Mirrors, muffler, horn, plate, headlight, taillight, and turn signals

   Legal operation requires mirrors, a muffler, a horn, a license plate, a headlight, a taillight, and turn signals.

   Source: Washington Motorcycle Operator's Manual — Riding a Two-Wheeled Motorcycle: The Right Bike for You

2. 2. When may motorcycles use HOV (diamond) lanes in Washington?

   Correct answer: At any time

   In Washington, motorcycles are permitted to use HOV (diamond) lanes at any time.

   Source: Washington Motorcycle Operator's Manual — Strategies for the Street: Lane Choice

3. 3. What is the current minimum fine for riding a motorcycle in Washington without an endorsement?

   Correct answer: $389

   The manual lists the current minimum fine for riding without the required endorsement as $389.

   Source: Washington Motorcycle Operator's Manual — Washington Motorcycle Safety Program

4. 4. How can you tell that a helmet is DOT compliant?

   Correct answer: By DOT labels on the helmet's rear exterior and interior

   DOT compliance is shown by 'DOT' labels found on the rear outer shell and on the interior of the helmet.

   Source: Washington Motorcycle Operator's Manual — Preparing to Ride: Helmets

5. 5. May a novelty helmet be worn while riding on Washington's public roadways?

   Correct answer: No, because novelty helmets are not DOT compliant

   Novelty helmets are not DOT compliant and therefore cannot be worn while riding on public roads.

   Source: Washington Motorcycle Operator's Manual — Preparing to Ride: Helmets

6. 6. Before legally operating a motorcycle on public roads in Washington, what must a person have?

   Correct answer: A motorcycle permit or endorsement on their license

   Before riding on public roads, state law requires that your license carry either a motorcycle permit or an endorsement.

   Source: Washington Motorcycle Operator's Manual — Washington Motorcycle Safety Program

7. 7. What does Washington law allow regarding two motorcycles traveling in the same lane?

   Correct answer: Two motorcycles may ride side by side in a single lane

   Two motorcycles may legally ride side by side within one lane, though doing so cuts into each rider's space cushion.

   Source: Washington Motorcycle Operator's Manual — Strategies for the Street: Give Each Other Space

8. 8. What can happen to your motorcycle if you operate it on Washington roadways without the required permit or endorsement?

   Correct answer: It may be impounded

   A motorcycle ridden without the proper credential may be impounded, in addition to the rider facing a fine.

   Source: Washington Motorcycle Operator's Manual — Washington Motorcycle Safety Program

9. 9. To legally ride a sidecar rig, trike, or reverse trike in Washington, which credential do you need?

   Correct answer: A three-wheel permit or endorsement

   A three-wheeled motorcycle requires a three-wheel permit or endorsement, which is separate from the two-wheel credential.

   Source: Washington Motorcycle Operator's Manual — Washington Motorcycle Safety Program

10. 10. Which hearing-related device is legal for a Washington rider to use while riding?

    Correct answer: In-ear hearing protection (ear plugs)

    Using ear plugs as hearing protection is allowed for Washington riders, though speakers worn inside the ear (ear buds) are prohibited.

    Source: Washington Motorcycle Operator's Manual — Preparing to Ride: Hearing Protection

11. 11. What kind of helmet must you wear to ride legally in Washington?

    Correct answer: A helmet that complies with DOT standards

    Riders are required to wear a helmet that meets Department of Transportation (DOT) standards; novelty helmets do not qualify.

    Source: Washington Motorcycle Operator's Manual — Preparing to Ride: Helmets

12. 12. Why does Washington require separate permits and endorsements for two-wheeled and three-wheeled motorcycles?

    Correct answer: Because their handling characteristics differ significantly

    The two vehicle types handle very differently, so the state mandates separate training, testing, and endorsements for each.

    Source: Washington Motorcycle Operator's Manual — Washington Motorcycle Safety Program