🚛 Texas CDL Permit Practice Test Guide
Pass Your Texas CDL Written Test the First Time
DMV-Written-Test provides Texas commercial driver applicants with accurate practice exams based on the 2025 Texas Commercial Driver License (CDL) Handbook. These tests mirror the structure and content of the real exam administered by the Texas Department of Public Safety (TxDPS).
Whether you’re applying for a Class A, B, or C CDL, our practice tests cover General Knowledge, Air Brakes, Combination Vehicles, and Texas-specific regulations.
For official CDL handbooks, licensing requirements, and scheduling information, visit the Texas DPS CDL page:
https://www.dps.texas.gov/section/driver-license/commercial-driver-license
Begin preparing today and pass your Texas CDL permit test on the first attempt!
📘 What to Expect on the Texas CDL Knowledge Test
Aspect
Details
Number of Questions
50 (General Knowledge)
Passing Score
80% (40 correct answers required)
Test Format
Multiple Choice
Time Limit
60 minutes (approximate)
Minimum Age
18 (21 for interstate or HazMat)
Test Languages
English, Spanish (HazMat in English only)
Endorsement Areas
HazMat, Tankers, Passenger, School Bus, Air Brakes
Retake Policy
Next business day (fees may apply)
❓ Frequently Asked Questions
How do I qualify for a CDL permit in Texas?
You must be at least 18 years old, hold a valid Texas driver’s license, pass a vision exam, and complete the General Knowledge test.
Is Entry-Level Driver Training (ELDT) required in Texas?
Yes. ELDT is federally mandated for new CDL applicants and for certain endorsements such as HazMat or Passenger.
How long is the CDL permit valid in Texas?
The Commercial Learner’s Permit (CLP) is valid for 180 days and can be renewed once.
Can I take the CDL test in Spanish?
Yes. The General Knowledge exam is offered in Spanish. HazMat tests must be taken in English.
What happens if I fail the CDL written exam?
You can retake the test the next business day. Retest fees apply.
Do I need a Texas driver’s license to apply for a CDL?
Yes. A valid Texas Class C driver’s license is required before applying for a CDL permit.
Are endorsement exams separate from the General Knowledge test?
Yes. Each endorsement (e.g., School Bus, HazMat, Passenger) requires its own written exam.
Can I transfer an out-of-state CDL to Texas?
Yes. You must transfer your CDL within 30 days of establishing Texas residency and provide required documentation.
What documents are required for a Texas CDL?
Proof of identity, lawful presence, Social Security number, Texas residency, and medical certification (if applicable) are required.
Is a TSA background check required for HazMat endorsements?
Yes. A Transportation Security Administration background check is mandatory for all HazMat applicants.