Practice following distance, weather, night driving and sharing the road, with questions based on the Washington Driver Guide.
At least 10 inches
Ten inches or more leaves room for the airbag to open.
Source: Washington Driver Guide, Chapter 2, 2.5 Vehicle Maintenance: Driver's seat
13
A deploying airbag can seriously injure or kill a child under 13.
Source: Washington Driver Guide, Chapter 2, 2.6 Occupant Protection
As a criminal offense
Aggressive driving is a traffic offense, and road rage is a crime.
Source: Washington Driver Guide, Chapter 3, 3.1 Aggressive driving and road rage
2/32 of an inch
Tread below 2/32 of an inch is too worn, especially on wet roads.
Source: Washington Driver Guide, Chapter 2, 2.5 Vehicle Maintenance: Tires
Call 911 when it is safe
Report in-progress road rage to 911 with the location, plate and vehicle details.
Source: Washington Driver Guide, Chapter 3, 3.1 Aggressive driving and road rage
Grays Harbor and Pacific
Beach driving is allowed only in Grays Harbor and Pacific counties, through marked approaches.
No, it is illegal
Hitchhiking and picking up hitchhikers on freeways is illegal and dangerous.
Source: Washington Driver Guide, Chapter 4, 4.10 Traffic laws
Twice the length of your vehicle
Keep at least two of your vehicle's lengths between you and the vehicle ahead.
Left arm out, bent so fingers point up
Bend your left arm at the elbow with your fingers toward the sky.
Source: Washington Driver Guide, Chapter 2, 2.5 Vehicle Maintenance: Turn signals and hand signals
Turning at low speed, as when parking
Use it for low-speed turns, intersections, parking and skid recovery.
We wrote these practice questions from the facts in the Washington Driver Guide (PDF 520-400 (R/4/25), July 2025, linked from https://dol.wa.gov/driver-licenses-and-permits/driver-training-and-testing/driver-guides, read 2026-11-07 edition) and from official sources on road signs. Every answer links to its source, so you can check it and read more.
DMV Decoded is an independent guide, not a government agency. This practice test is not connected to the Washington State Department of Licensing (DOL), and your actual test will have different questions. Study the handbook, and check the agency's website for current rules.