Free 2026 CO DMV Practice Tests
Based on the official Colorado Driver's Handbook. Get ready for your CO DMV written exam with our comprehensive practice tests.
CO CDL General Knowledge
arrow_forward_iosCO CDL Air Brakes
arrow_forward_iosCO CDL Combination Vehicles
arrow_forward_iosCO CDL Hazmat (H)
arrow_forward_iosCO CDL Tanker (N)
arrow_forward_iosCO CDL Doubles & Triples (T)
arrow_forward_iosCO CDL Passenger (P)
arrow_forward_iosCO CDL School Bus (S)
arrow_forward_iosPractice by Topic
Commercial Driver's License (CDL)
What to Expect on the Colorado CDL Test
25 multiple-choice questions, 80% to pass. Available online (@Home with webcam), in-office, or via approved driving school.
60 min
$6
$5 testing fee + $1.50 credit-card processing fee ($6.50 total); separate $11.50 state DMV fee for permit issuance.No appointment needed for @Home online test; appointment required at driver license offices for permit issuance.
Unlimited attempts, but no more than twice per day.
Retake fee: $6.
English, Spanish
Documents to Bring to Your Colorado Test
Proof of identity (legal name, DOB, lawful status), Social Security Number, and two proofs of Colorado address dated within the last year; minors need parent/guardian signature.
Colorado Rules You'll See on the Test
Rules unique to Colorado that appear on the CO DMV knowledge test more than others.
- gavel Colorado Chain Law and Traction Law apply on I-70 mountain corridor Sept 1 - May 31
- gavel Use lower gears when descending steep mountain grades to avoid brake overheating
- gavel Yield to uphill traffic on narrow mountain roads without shoulders
- gavel Watch for wildlife (deer, elk) especially at dawn and dusk on mountain highways
- gavel Move Over Law requires changing lanes or slowing for stopped emergency and maintenance vehicles
Colorado DMV Test FAQ
How many questions are on the Colorado CDL permit test?
The CO DMV CDL knowledge test has 25 multiple-choice questions drawn from the official state handbook — covering road signs, traffic laws, right-of-way, and safe-driving procedures.
How many questions can I get wrong and still pass the Colorado test?
You can miss at most 5 questions. Any more than that and CO DMV will mark it a fail — you'll need to retake.
If I'm nervous, is it better to reschedule my Colorado appointment?
If you consistently score at or above passing (80-85%+) on our practice tests, don't reschedule — test-day nerves usually drop 5-10 points and you'll still pass. If your practice scores are still below passing, more prep + a later date is worth it.
What's a passing score on the Colorado DMV knowledge test?
You need 20 out of 25 correct — 80% — to pass. The result is displayed immediately after you submit.
Where can I verify these Colorado test details on an official source?
CO DMV publishes the authoritative rules at https://dmv.colorado.gov/home-driving-knowledge-tests. We refresh our numbers annually against that page — if you spot a discrepancy, the DMV site is the source of truth.
Can I look at the Colorado handbook during the actual test?
No — CO DMV treats the exam as closed-book. The handbook is what you use to prepare, not to reference during the exam.
Do I have to pay for the Colorado driver handbook?
No. CO DMV publishes it free as a PDF and often prints free copies at DMV offices. Beware sites that charge to "download" it — the state's version is always free.
What happens right after I pass the Colorado knowledge test?
If you brought all required documents, CO DMV normally issues a temporary paper permit or license the same day. Your printed card typically arrives by mail within 2-4 weeks.
Do I need a DOT medical card before the Colorado CDL test?
Yes. FMCSA requires a valid DOT medical examiner's certificate before you can be issued a CDL — bring it to your appointment. You cannot take the CDL knowledge test without one on file.
On the Colorado DMV test, should I answer what's literally in the handbook even if it seems overly cautious?
Yes. If the handbook says "come to a complete stop at every stop sign," answer that — even if in the real world people roll through. Test questions grade against the handbook, not real-world driving habits.