Missouri CDL Holders - Commercial Motor Vehicle (CMV) Operators and the Law
A driver with a Class A, B, or C Commercial Driver License (CDL) is automatically licensed to operate both commercial and private (noncommercial) motor vehicles using one driver license.
However, if the driver commits an offense that requires the suspension or revocation of his/her driver license, the driver will lose all driving privileges, including commercial driving privileges.
A CDL holder, whose license is suspended or revoked cannot drive any CMV during the period of suspension or revocation. The CDL holder can only apply for limited driving privileges to operate private (noncommercial) vehicles.
Missouri CDL Written Knowledge Tests
You will need to pass the
Missouri Knowledge Tests that are required for
the class of license, restriction, and endorsements you wish to possess. A general
knowledge test for the Class A or Class B and C license must be successfully completed
by all CDL applicants. The information needed to pass these tests is contained
in the
FREE Missouri CDL Handbook. Please read and study this
manual carefully.
- Class A - 70 Questions (50 GK + 20 Combination Vehicles) - Skills test required.
- Class B - 50 Questions - Skills test required.
- Class C - 50 Questions - Skills test required for bus, school bus and air
brakes vehicles..
- Passenger Endorsement - 20 questions - Skills test required in bus.
- School Bus Endorsement - 25 questions - Skills test required in school bus.
- Doubles/Triples Endorsement - 20 questions - No additional skills tests.
- Tank Vehicle Endorsement - 20 questions - No additional skills tests.
- Hazardous Materials Endorsement - 30 questions - No additional skills tests.
- Air Brake Restriction Removal - 25 questions - Additional skills test in vehicle with Air Brakes.
If you need help . . .
determining what Class of CDL you need based upon the type
of vehicle you will drive (A, B or C) or are not sure which CDL
Endorsements you need based upon the type of loads you will carry; use the
free CDL Selector Tool . . .
Missouri
Go to CDL Selector Tool
Not sure which MO CDL Tests you need to pass? Use this tool to determine what Class of CDL and which CDL Endorsements you require.
Classes of Missouri CDL and Required Tests
| CDL Class |
Tests Required |
Possible Endorsements and Required Tests |
Class A
(Combination
vehicle endorsement required) |
General Knowledge Written Exam
Combination Endorsement Written Exam
Road Exam |
|
| Class B |
General Knowledge Written Exam
Road Exam |
|
| Class C |
General Knowledge Written Exam
Road Exam
Note: If upgrading to a Class C from a Class D, no road test is required UNLESS the endorsement requires one. |
|
Missouri CDL Endorsements
| Exam |
Time Allowed (Minutes) |
# of Questions on Exam |
# of Correct Answers Needed to Pass |
| General Knowledge |
60 |
50 |
40 |
| Air Brakes |
25 |
25 |
20 |
| HazMat |
30 |
30 |
24 |
| Tank |
20 |
20 |
16 |
| Passenger |
20 |
20 |
16 |
| Doubles/Triples |
20 |
20 |
16 |
| Combination Vehicles |
20 |
20 |
16 |
| School Bus |
20 |
20 |
16 |
In addition to the Missouri CDL (commercial driver's license) information found in our website covering the Missouri CDL and in the free Missouri CDL Handbook (which is quite boring and a bit confusing - and doesn't have a single multiple-choice question in it that is asked on the actual tests), the complete online
prep program will prepare you to easily pass your
Missouri CDL written exams to get your Missouri CDL permit. The skills test modules are invaluable to give you a head start before doing your
work, possibly saving you a lot of money. The Missouri CDL test prep program includes the following features . . .
