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YOUR CDL MUST BE OBTAINED AND MAINTAINED IN YOUR STATE OF RESIDENCE
Choose your STATE OF RESIDENCE. This is normally the state where your regular driver's license was issued. If you plan on moving soon, you may want to choose your new state of residence.
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CDL Requirements | DMV Locations Fees | Forms | FAQs | FREE CDL INFO

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

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 CDL Test Selector Tool
CDL Test Selector Tool
(Use only for a new CDL)
Not sure which CDL Tests you need to pass? Use this tool to determine what Class of CDL and which CDL Endorsements you require.

Jump to official CDL website information.

CDL Info | CDL Requirements

Click on your state of residence to find official answers to your CDL questions -

  • What are the CDL Requirements
  • How to get a CDL
  • How to get a CDL HazMat (Hazardous Materials Endorsement) Permit
  • What is the difference between Interstate and Intrastate?
  • How to get a CDL HazMat (Hazardous Materials Endorsement) Permit
  • How to get a School Bus CDL
  • How much does a CDL cost?
  • Where is my nearest DMV CDL office?
  • Where can I find CDL (commercial drivers license) forms?

. . . and answers to many more CDL questions!

Quickly access the most complete and accurate Official CDL Information

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

Access Official Federal CDL General Information

Access Official Federal CDL Medical Requirements Info

Access Official Federal CDL Hazardous Materials Info

Classes of 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