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Missouri CDL Requirements | DMV Locations
Fees | Forms | FAQs | FREE CDL INFO
Missouri
CDL Learner Permit Training
Missouri CDL Requirements | DMV Locations
Fees | Forms | FAQs | FREE CDL INFO

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Missouri CDL Requirements | DMV Locations Fees | Forms | FAQs | FREE CDL INFO

Find official Missouri CDL test requirements to get your MO CDL - FREE information - FAST and EFFICIENT.

Do you already know what you need? You may choose individual Modules or Bundles. If your individual selections cost more than $39.95 - you will automatically be put into the SUPER BUNDLE . . . it includes EVERYTHING! If you need help choosing the right product for your needs, use the free Selector Tool. You never have to pay more than $39.95.

Missouri CDL Test Selector Tool
Missouri
CDL Test Selector Tool
(Use only for a new CDL)
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.

Jump to official Missouri CDL website information.

Missouri CDL Info | Missouri CDL Requirements

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.

Quickly access the most complete and accurate Official Missouri CDL Information

Missouri CDL Information
Access to official web pages maintained
by the State of Missouri

Access Official Federal CDL General Information

Access Official Federal CDL Medical Requirements Info

Access Official Federal CDL Hazardous Materials Info

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

H - Hazardous Materials Written Exam
N - Tank Vehicles Written Exam
P - Passenger Transport Written and Road Exam
T - Doubles/Triples Written Exam
X - HazMat and Tank Vehicles Written Exam
L - Air Brakes Written and Road Exam
S - School Bus Written and Road Exam
Class B

General Knowledge Written Exam

Road Exam

H - Hazardous Materials Written Exam
N - Tank Vehicles Written Exam
P - Passenger Transport Written and Road Exam
X - HazMat and Tank Vehicles Written Exam
L - Air Brakes Written and Road Exam
S - School Bus Written and 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.
H - Hazardous Materials Written Exam
N - Tank Vehicles Written Exam
P - Passenger Transport Written and Road Exam
X - HazMat and Tank Vehicles Written Exam
L - Air Brakes Written and Road Exam
S - School Bus Written and Road Exam

Texas 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
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