Mississippi CDL practice test
Published Updated Licensing sources checked:
How do I prepare for the Mississippi CDL knowledge test?
If you are preparing for your first permit, start with general knowledge and the official Mississippi instructions below. If your vehicle needs air brakes or combination vehicles, add those federal study sets; for hazardous materials, use the separate hazmat set. Compare the state’s published test rules with its current manual before you test. These practice sets teach federal topics and do not copy the state exam.
This page is study material. It is not the Mississippi state exam, and it does not copy state test questions. Check the official Mississippi pages below before you test.
| Your situation | Start with… |
|---|---|
| A quick first try | Take a 10-question warm-up |
| Ready for a longer attempt | Take the 50-question general knowledge exam |
| Need state rules or documents | Check the Mississippi application steps |
Mississippi official CDL manual (PDF) — link checked . Study its rules alongside our federal-standard bank. Our 50-question exam length is a study setting; use the official counts below for Mississippi.
Mississippi DPS Driver Service Bureau’s current linked manual lists the knowledge tests for your vehicle and endorsements. Its testing section and agency pages checked November 13, 2026 do not print question counts or a knowledge-test passing score. Those figures remain unknown; federal practice lengths are study settings, not Mississippi exam lengths.
Which tests do I need in Mississippi?
| Your vehicle or work | Required study and tests |
|---|---|
| All permit applicants | Start with general knowledge. Official requirements. Federal warm-up · Federal exam mode |
| Class A combination vehicle | Add combination vehicles. Official requirements. Federal warm-up · Federal exam mode |
| Vehicle with air brakes | Add air brakes and check restriction rules. Official requirements. Federal warm-up · Federal exam mode |
| Passenger vehicle | Add passenger testing. Official requirements. Federal warm-up · Federal exam mode |
| School bus | Study school bus and passenger topics; check state requirements. Official requirements. Federal warm-up · Federal exam mode |
| Tank vehicle | Add tank vehicle testing. Official requirements. Federal warm-up · Federal exam mode |
| Hazardous materials | Add hazmat testing and check approval and training steps. Official requirements. Federal warm-up · Federal exam mode |
| Doubles or triples | Add doubles and triples testing; check vehicle limits. Official requirements. Federal warm-up · Federal exam mode |
Check the current Mississippi agency instructions for your vehicle, endorsements and application. Our federal study sets do not copy state exam questions or supply unprinted exam figures.
Before booking the exam, check Mississippi CDL application steps and official fee lines.
| Test | Questions | To pass | Official source |
|---|---|---|---|
| General knowledge | Not printed on the pages checked | Not printed on the pages checked | State source |
| Combination vehicles, for Class A | Not printed on the pages checked | Not printed on the pages checked | State source |
| Air brakes, if applicable | Not printed on the pages checked | Not printed on the pages checked | State source |
| Passenger | Not printed on the pages checked | Not printed on the pages checked | State source |
| Tank vehicle | Not printed on the pages checked | Not printed on the pages checked | State source |
| School bus | Not printed on the pages checked | Not printed on the pages checked | State source |
| Hazardous materials | Not printed on the pages checked | Not printed on the pages checked | State source |
| Doubles and triples | Not printed on the pages checked | Not printed on the pages checked | State source |
Mississippi language, permit and booking notes — checked 2026-11-13
The Driver Service Fees page lists $16 for a CDL learner’s permit valid for 6 months, $55 for a 5-year CDL and $5 for endorsements. A separate $100 hazardous-materials line is also listed, without identifying it as a knowledge-test fee. These are separate credential fee lines. A separate knowledge-test fee is not printed on the pages checked; no total testing price is inferred. Official sourceOfficial source — checked .
The DPS application requires holding the commercial learner’s permit for 14 days before CDL skills testing. It also requires a valid medical examiner’s certificate before the permit can be issued. Official source — checked .
DPS lists applicable entry-level driver training before a first Class A or B skills test, a Class B-to-A upgrade, a first passenger or school bus skills test, and a first hazardous-materials knowledge test, subject to its stated exemptions. Official source — checked .
Use the commercial manual for Class A, B and C study. The CDL application page lists the CLP written exam and road skills test as separate requirements; completing our knowledge practice does not complete either state test. Official sourceOfficial source — checked .
For unknown figures, check with the Mississippi licensing agency. A blank count is not an estimate.
Federal study sets, not the Mississippi exam
Use general knowledge, air brakes, combination vehicles, and hazmat to study the federal topics. Finishing one of those sets does not mean you passed the Mississippi test.
Sources
- Mississippi DPS Driver Service Bureau: new Class A, B and C CDL — checked
- Mississippi DPS Driver Service Bureau: current linked CDL manual, section 1.1.1 — checked
- Mississippi DPS Driver Service Bureau: driver service fees — checked
- Mississippi DPS: driver license application and CLP skills-test wait — checked