Missouri Driver Knowledge Tests
Every Missouri course, the agency that gives the test, and the shape of each test.
- Licensing Agency
- Missouri Department of Revenue
- 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.
Motorcycle
The motorcycle knowledge test for Missouri: gear, controls, curves, traffic, hazards, passengers, and alcohol.
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.
CDL Hazardous Materials (H)
The CDL Hazardous Materials (H) knowledge test, on the federal rules that apply in every state and DC.
CDL Air Brakes
The CDL Air Brakes knowledge test, on the federal rules that apply in every state and DC.
CDL Passenger (P)
The CDL Passenger (P) knowledge test, on the federal rules that apply in every state and DC.
CDL School Bus (S)
The CDL School Bus (S) knowledge test, on the federal rules that apply in every state and DC.
CDL Tank Vehicle (N)
The CDL Tank Vehicle (N) knowledge test, on the federal rules that apply in every state and DC.
CDL Doubles/Triples (T)
The CDL Doubles/Triples (T) knowledge test, on the federal rules that apply in every state and DC.
Missouri Permit Test Facts
| Test | Questions | Passing Score | Who Gives It | Agency Page |
|---|---|---|---|---|
| Learner's Permit | 25. 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 Revenue | Missouri DOR |
| Motorcycle | 25 | 20 correct | Missouri Department of Revenue | Missouri DOR |
| CDL General Knowledge | 50. 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 Revenue | Missouri 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 Revenue | Missouri DOR |
| CDL Air Brakes | 25. 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 Revenue | Missouri 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 Revenue | Missouri 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 Revenue | Missouri 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 Revenue | Missouri 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 Revenue | Missouri DOR |
Permit Tests in Other States
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.