Free 2026 HI DMV Practice Tests
Based on the official Hawaii Driver's Handbook. Get ready for your HI DOT written exam with our comprehensive practice tests.
HI CDL General Knowledge
arrow_forward_iosHI CDL Air Brakes
arrow_forward_iosHI CDL Combination Vehicles
arrow_forward_iosHI CDL Hazmat (H)
arrow_forward_iosHI CDL Tanker (N)
arrow_forward_iosHI CDL Doubles & Triples (T)
arrow_forward_iosHI CDL Passenger (P)
arrow_forward_iosHI CDL School Bus (S)
arrow_forward_iosPractice by Topic
Commercial Driver's License (CDL)
What to Expect on the Hawaii CDL Test
Online (webcam-proctored on desktop/laptop) or in-office computer at Honolulu CSD.
60 min
$12
Honolulu online test: $2 city/county fee + $10 transaction/credit-card fee. In-person written test is $2.No appointment for the online KnowTo Drive test; in-person permit issuance is by appointment at a Honolulu CSD driver licensing center within 60 days of passing.
Up to 2 online attempts per day.
7-day wait between attempts.
Retake fee: $12.
English, Spanish
Documents to Bring to Your Hawaii Test
Certified birth certificate, Social Security card, two proofs of Hawaii address, completed application, and Certificate of Completion from the online test. Applicants under 18 need a Parental Consent Form.
Hawaii Rules You'll See on the Test
Rules unique to Hawaii that appear on the HI DOT knowledge test more than others.
- gavel HRS 291-11.6: mandatory seat belts for all front and back seat occupants
- gavel Child safety seat required under age 4; booster seat ages 4-7
- gavel HRS 291C-33: strict pedestrian signal / anti-jaywalking enforcement
- gavel Ban on handheld mobile electronic devices while driving
- gavel GDL provisional license restrictions for drivers under 18
Hawaii DMV Test FAQ
How many questions are on the Hawaii CDL permit test?
The HI DOT CDL knowledge test has 30 multiple-choice questions drawn from the official state handbook — covering road signs, traffic laws, right-of-way, and safe-driving procedures.
Is the Hawaii written test the same as the road test?
No. The knowledge test is a written or computer-based exam on rules and signs. After you pass it, you'll take a separate behind-the-wheel road test with an examiner to earn your full license.
Can I look at the Hawaii handbook during the actual test?
No — HI DOT treats the exam as closed-book. The handbook is what you use to prepare, not to reference during the exam.
Are all Hawaii CDL test questions multiple choice?
Yes. Every question presents 3-4 answer choices with exactly one correct answer. There are no fill-in-the-blank, true/false, or essay questions on the HI DOT knowledge test.
Can I use my phone during the Hawaii DMV knowledge test?
No. All electronics are prohibited during the exam and most offices ask you to leave them in a locker. Use your phone to drill practice tests before you walk in.
Do I need endorsements beyond the Hawaii CDL general knowledge?
Depending on what you'll haul, yes: Hazmat (H), Tank (N), Doubles/Triples (T), Passenger (P), and School Bus (S) each have their own written test. Air Brakes (L) is also required for most tractor-trailer combos.
Do I need an appointment for the Hawaii knowledge test?
No appointment for the online KnowTo Drive test; in-person permit issuance is by appointment at a Honolulu CSD driver licensing center within 60 days of passing.
If I fail, can I retake the Hawaii test the same day?
Typically no — most states enforce a waiting period between attempts. See the retake FAQ item above (if we have specific data for your state) or ask the office when they schedule your retake.
What happens before I actually take the Hawaii test at the office?
You'll present your documents, pay applicable fees, pass the vision screening, and (if you're issued a permit that day) get your photo taken. Only then are you handed off to a testing terminal or a paper packet.
Will I see my Hawaii test score right after I submit?
Yes. HI DOT testing terminals display pass/fail and your score immediately after you finish. If you pass, they'll normally begin permit processing the same visit.