How many questions are on the Washington driver knowledge test?
- 25
- 30
- 50
- 40
Show the answer
40
The written knowledge test has 40 multiple-choice questions.
Source: Do I need to take a test? (dol.wa.gov), Knowledge test and drive test
Practice permits, restrictions for new drivers and points, with questions based on the Washington Driver Guide.
40
The written knowledge test has 40 multiple-choice questions.
Source: Do I need to take a test? (dol.wa.gov), Knowledge test and drive test
30 days
New adult residents with an out-of-state license have 30 days to switch.
Source: Washington Driver Guide, Chapter 1, 1.5 New residents
15
Teens signing up for a driver training course may apply for a permit from age 15.
Source: Washington Driver Guide, Chapter 1, 1.8 Getting a Personal Driver License: Instruction permit
10
Teens need at least 10 night hours in addition to 40 daytime hours.
Source: Washington Driver Guide, Chapter 1, 1.8 Getting your personal driver license: ages 16 to 17
30 classroom hours and 6 hours behind the wheel
Washington's minimum course is 30 hours of classroom work and 6 hours of in-car instruction.
Source: Washington Driver Guide, Chapter 1, 1.8 Getting your personal driver license: ages 16 to 17
40
The requirement is at least 40 daytime hours plus 10 at night.
Source: Washington Driver Guide, Chapter 1, 1.8 Getting your personal driver license: ages 16 to 17
2 years
The score counts for two years, so take the skills exam before then or you may have to retest.
Source: Do I need to take a test? (dol.wa.gov), Knowledge test and drive test
No more than 3
After the first six months, up to three passengers under 20 outside your immediate family are allowed.
Source: Washington Driver Guide, Chapter 1, 1.8 Intermediate driver license
Retake both the knowledge and skills exams
Once a license has been expired 8 years or more, both exams have to be taken again.
Source: Washington Driver Guide, Chapter 1, 1.15 Maintaining your license
At least 6 months
Applicants under 18 need to have had their permit for six months or more.
Source: Washington Driver Guide, Chapter 1, 1.8 Getting your personal driver license: ages 16 to 17
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.