Washington State Knowledge Test Cheat Sheet 2026

The 30 highest-yield Washington State Knowledge Test facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. A child must use a booster seat until they reach what height, unless they are old enough for a seat belt to fit? → 4 feet 9 inches
2. In Washington, drinking and driving with a child under 16 in the vehicle is: → An aggravated DUI with enhanced penalties
3. If you cannot see a truck driver's face in the truck's side mirror, you are most likely: → In the truck's blind spot (No-Zone)
4. How should a driver respond to a funeral procession in Washington? → Yield to the procession; do not cut between vehicles in the procession
5. How far from a stop sign must you not park in Washington State? → 30 feet
6. What is the safest action when a tire blows out while driving in Washington? → Grip the wheel firmly, ease off the gas, and steer straight
7. What is the speed limit in an alley in Washington State? → 10 mph
8. In Washington, which vehicle must yield when a bus is pulling back into traffic from a bus stop? → Drivers must yield to a bus signaling to re-enter traffic
9. An intermediate license holder may not drive between which hours unless accompanied by a parent, guardian, or licensed driver age 25 or older? → 1 a.m. and 5 a.m.
10. How far in advance must you signal before turning or changing lanes in Washington? → 100 feet
11. How long do Washington drivers have to report a change of address to the DOL after moving? → 30 days
12. How far from a marked crosswalk at an intersection are you prohibited from parking? → 20 feet
13. When driving near a bicyclist at night in Washington, you should: → Reduce speed and give extra space since visibility is reduced
14. Under Washington law, when must a driver report a collision to law enforcement? → When damage exceeds $1,000 or there are injuries or fatalities
15. What should you do if your vehicle starts to hydroplane in Washington? → Ease off the gas and steer gently straight
16. You see a tow truck stopped on the shoulder with its warning lights flashing. If you cannot safely change lanes away from it, you should: → Slow down below the posted speed limit and pass with caution
17. Children under age 13 should ride where in a vehicle, whenever practical? → In the back seat
18. How far from a fire hydrant must you park in Washington State? → 15 feet
19. What is lane splitting, and what is its legal status in Washington State? → Riding between lanes of traffic; it is illegal
20. If you change your address, how soon must you notify the Washington DOL? → Within 10 days
21. A flashing red traffic light means you must: → Stop, then go when safe
22. A driver approaching a yield sign in Washington must: → Slow down and give right of way to conflicting traffic
23. What is the best strategy to avoid driving impaired in Washington? → Plan a designated driver or use a rideshare service before drinking
24. In Washington, when passing a bicyclist on the road, how much space must you provide? → 3 feet of clearance
25. About how long does it take the body to process the alcohol in one standard drink? → About one hour
26. After you sell your vehicle in Washington, how soon should you file a Report of Sale with the DOL? → Within 5 days
27. Within how many days of establishing residency must a new Washington resident get a Washington driver license? → 30 days
28. In Washington, when two vehicles on different roads reach an intersection at the same time, which must yield? → The vehicle on the unpaved road
29. Who has the right of way when a vehicle approaches an intersection where an emergency vehicle is approaching with lights and siren? → The emergency vehicle always has right of way
30. Combining alcohol with other drugs, such as sedatives, generally: → Multiplies the impairing effects