WalkInReady

Missouri Driver Knowledge Tests

Every Missouri course, the agency that gives the test, and the shape of each test.

Learner's Permit Test
25 questions, 20 correct to pass, scored as one total — 6 signs and signals; 19 rules of the road.
Motorcycle Test
25 questions, 20 correct to pass.
CDL General Knowledge
50 questions, 40 correct to pass.

Learner's Permit

The rules of the road plus Missouri's own licensing rules, permit conditions and penalties.

528 questions25 questions, 20 correct to pass, scored as one total — 6 signs and signals; 19 rules of the road.

Motorcycle

The motorcycle knowledge test for Missouri: gear, controls, curves, traffic, hazards, passengers, and alcohol.

109 questions25 questions, 20 correct to pass.

CDL General Knowledge

The commercial license general knowledge test: the federal rules for commercial driving that every CDL program follows, in every state and DC.

282 questions50 questions, 40 correct to pass.

CDL Hazardous Materials (H)

The CDL Hazardous Materials (H) knowledge test, on the federal rules that apply in every state and DC.

180 questions30 questions, 24 correct to pass.

CDL Air Brakes

The CDL Air Brakes knowledge test, on the federal rules that apply in every state and DC.

64 questions25 questions, 20 correct to pass.

CDL Passenger (P)

The CDL Passenger (P) knowledge test, on the federal rules that apply in every state and DC.

60 questions20 questions, 16 correct to pass.

CDL School Bus (S)

The CDL School Bus (S) knowledge test, on the federal rules that apply in every state and DC.

49 questions20 questions, 16 correct to pass.

CDL Tank Vehicle (N)

The CDL Tank Vehicle (N) knowledge test, on the federal rules that apply in every state and DC.

50 questions20 questions, 16 correct to pass.

CDL Doubles/Triples (T)

The CDL Doubles/Triples (T) knowledge test, on the federal rules that apply in every state and DC.

45 questions20 questions, 16 correct to pass.

Missouri Permit Test Facts

TestQuestionsPassing ScoreWho Gives ItAgency Page
Learner's Permit25. Missouri also gives a separate road-sign test whose size it does not publish.25.
DetailsMissouri also gives a separate road-sign test whose size it does not publish.
20 correct. Missouri also gives a separate road-sign test whose size it does not publish.20 correct.
DetailsMissouri also gives a separate road-sign test whose size it does not publish.
Missouri Department of RevenueMissouri DOR
Motorcycle2520 correctMissouri Department of RevenueMissouri DOR
CDL General Knowledge50. No federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.50.
DetailsNo federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.
40 correct. 80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).40 correct.
Details80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).
Missouri Department of RevenueMissouri DOR
CDL Hazardous Materials (H)30. No federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.30.
DetailsNo federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.
24 correct. 80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).24 correct.
Details80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).
Missouri Department of RevenueMissouri DOR
CDL Air Brakes25. No federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.25.
DetailsNo federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.
20 correct. 80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).20 correct.
Details80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).
Missouri Department of RevenueMissouri DOR
CDL Passenger (P)20. No federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.20.
DetailsNo federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.
16 correct. 80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).16 correct.
Details80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).
Missouri Department of RevenueMissouri DOR
CDL School Bus (S)20. No federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.20.
DetailsNo federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.
16 correct. 80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).16 correct.
Details80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).
Missouri Department of RevenueMissouri DOR
CDL Tank Vehicle (N)20. No federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.20.
DetailsNo federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.
16 correct. 80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).16 correct.
Details80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).
Missouri Department of RevenueMissouri DOR
CDL Doubles/Triples (T)20. No federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.20.
DetailsNo federal rule sets the question count: 49 CFR 383.133 sends the states to AAMVA's test system, which is not public. The count here is the one used by the states that publish theirs, so your state may differ.
16 correct. 80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).16 correct.
Details80 percent is the federal pass mark for every CDL knowledge test (49 CFR 383.135).
Missouri Department of RevenueMissouri DOR

Questions

Common Questions

Who gives the driver knowledge test in Missouri?

The Missouri Department of Revenue. Check its website for fees, documents and whether you need an appointment.

How many questions are on the Missouri permit test?

25. Missouri also gives a separate road-sign test whose size it does not publish.

What is the passing score on the Missouri permit test?

20 correct. Missouri also gives a separate road-sign test whose size it does not publish.

Does Missouri have a motorcycle knowledge test?

Yes. Missouri's motorcycle knowledge test: 25 questions, 20 to pass. Missouri publishes this format.

Which CDL tests can I practice for Missouri?

CDL General Knowledge and the CDL Hazardous Materials (H), CDL Air Brakes, CDL Passenger (P), CDL School Bus (S), CDL Tank Vehicle (N), CDL Doubles/Triples (T). The CDL tests are federal, so the questions are the same in every state and DC.