Free 2027 TX DMV Practice Tests

Based on the official Texas Driver's Handbook. Get ready for your TX DPS written exam with our comprehensive practice tests.

Car Motorcycle CDL Handbooks location_on DMV Locations

TX CDL General Knowledge

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Questions 30
Mistakes 6 Max
Passing 80%

TX CDL Air Brakes

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Questions 25
Mistakes 5 Max
Passing 80%

TX CDL Combination Vehicles

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Questions 20
Mistakes 4 Max
Passing 80%

TX CDL Hazmat (H)

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Questions 30
Mistakes 6 Max
Passing 80%

TX CDL Tanker (N)

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Questions 20
Mistakes 4 Max
Passing 80%

TX CDL Doubles & Triples (T)

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Questions 20
Mistakes 4 Max
Passing 80%

TX CDL Passenger (P)

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Questions 20
Mistakes 4 Max
Passing 80%

TX CDL School Bus (S)

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Questions 20
Mistakes 4 Max
Passing 80%
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Practice by Topic

menu_book General Knowledge 7 Q compress Air Brakes 8 Q local_shipping Combination Vehicles 8 Q science Hazardous Materials 7 Q water_drop Tanker 7 Q view_comfy Doubles & Triples 8 Q directions_bus Passenger Transport 8 Q school School Bus 8 Q

Commercial Driver's License (CDL)

Class A Prep Class B Prep Class C Prep Air Brakes Endorsement

Texas DMV Test FAQ

How many questions are on the Texas CDL permit test?

The TX DPS CDL knowledge test has 30 multiple-choice questions.

What is the passing score?

You must answer at least 24 questions correctly (80%) to pass.

Can I retake the test if I fail?

Yes. Retake policies vary by state; TX DPS typically lets you re-attempt the knowledge test after a short waiting period.