Washington CDL Knowledge Test Sample Questions
Real, Washington-specific sample questions from our practice question bank, with the correct answer, a full explanation, and a source reference for each. See our national sample questions for topics that apply to every state, or take the full Washington cdl practice test to test yourself instead of just reading the answers.
General Driving Knowledge
1. What is the fee for an initial Washington commercial learner's permit (CLP), and how long is it valid?
A Washington CLP costs $40 and is valid for 180 days, renewable once if the CDL process isn't finished within that window.
Source: Washington DOL, Commercial Driver Guide
2. Who can a Washington CLP holder drive a commercial vehicle with?
A Washington CLP holder may only operate a commercial vehicle when a fully licensed CDL holder is present in the passenger seat.
Source: Washington DOL, Commercial Driver Guide
3. What BAC threshold applies specifically to commercial drivers in Washington?
Washington holds commercial drivers to a 0.04% BAC threshold, consistent with the federal commercial standard and half the 0.08% figure used for regular drivers.
Source: Washington DOL, Commercial Driver Guide
4. Where does a Washington CDL applicant take the knowledge and skills tests?
Washington CDL applicants take the knowledge test at a DOL office and the skills test with a DOL-authorized third-party tester, rather than both at one location.
Source: Washington DOL, Commercial Driver Guide
5. What must a Washington CDL applicant submit along with the CDL issuance fee?
A Washington CDL applicant must submit a Medical Examiner's Certificate along with the CDL issuance fee as part of finishing the application.
Source: Washington DOL, Commercial Driver Guide
6. Where can a Washington CDL applicant find the material the general knowledge test is based on?
Washington publishes a dedicated Commercial Driver Guide, separate from the standard Driver Guide, covering the material the general knowledge and endorsement tests draw from.
Source: Washington DOL, Commercial Driver Guide
More Questions
7. Under federal hours-of-service rules that apply to Washington CDL holders, how many hours of driving are allowed after 10 consecutive hours off duty?
Federal hours-of-service rules allow up to 11 hours of driving after 10 consecutive hours off duty, within a 14-hour on-duty window.
Source: Washington DOL, Commercial Driver Guide