Free Texas CDL Practice Test (2026)
Practice the Texas CDL permit test the way it is really written, with the correct answer and an explanation on every question.
Texas CDL Requirements
5-Question TX Challenge
Real general knowledge questions, with the answer and an explanation after each one.
What must you check when inspecting the driver's seatbelt?
Texas CDL permit test: what to expect
The written exam most people call the Texas CDL permit test is the general knowledge test, and passing it is what gets you a commercial learner's permit rather than the license itself. You need 80% to pass, a federal standard that is the same in every state. The number of questions is set by Texas, and our practice tests use the common 50-question format.
Once you hold the permit you have to keep it for at least 14 days before you are allowed to attempt the skills test, so it is worth sitting the written exam as early as you can. Practice below until you are clearing Texas's standard comfortably rather than scraping it.
How to get a CDL in Texas
To obtain a Commercial Driver's License in the Texas, you must first pass the General Knowledge exam. Depending on the type of vehicle you intend to drive, additional endorsements like Air Brakes, Tanker, or Hazmat may be required.
- Provide proof of US citizenship or lawful permanent residency.
- Hold a valid non-commercial driver's license.
- Pass a Department of Transportation (DOT) medical exam.
- Obtain a Commercial Learner’s Permit (CLP) and wait at least 14 days.
- Pass the skills test in a vehicle of the same class as you intend to drive.
Practice every part of the Texas CDL test
Your Texas exam is split into separate knowledge tests. Drill each one until you're confident.
5 Texas CDL Practice Questions and Answers
Here are 5 sample Texas general knowledge questions with the right answer and a quick explanation for each. Read through them, then take the quiz above to see how you do without looking.
1. What must you check when inspecting the driver's seatbelt?
- A. That it matches the color of the interior.
- B. That it has an automatic retractor mechanism.
- C. That it is securely mounted, latches properly, and the webbing is not frayed or ripped. (correct answer)
- D. That it stretches at least 5 inches when pulled.
Why: The safety belt must be securely mounted to the seat/cab, latch and unlatch properly, and the webbing material must not be cut, frayed, or structurally degraded.
2. At what speed can a commercial vehicle begin to hydroplane?
- A. 55 mph.
- B. 45 mph.
- C. As low as 30 mph. (correct answer)
- D. Only at speeds above 65 mph.
Why: Hydroplaning can occur at speeds as low as 30 mph if there is a lot of water. It happens when tires lose contact with the road and have little or no traction.
3. How does darkness affect your ability to recognize colors while driving?
- A. It is severely reduced, making it harder to recognize the color of traffic signs and clothing (correct answer)
- B. Color recognition improves due to the contrast with darkness
- C. Only the color red becomes harder to see
- D. Darkness has absolutely no effect on color perception
Why: Human eyes rely on light for color vision. In the dark, the eye shifts to using rods, which detect light and dark but not color, reducing your ability to identify the color of signs, hazards, or pedestrians.
4. Is floating the gears (shifting without using the clutch) an acceptable method during your CDL skills test?
- A. Yes, if the examiner sees you can do it smoothly
- B. Yes, it is the preferred method for heavy vehicles
- C. No, the CDL manual requires you to demonstrate double clutching (correct answer)
- D. No, floating the gears is illegal in all 50 states
Why: While many experienced drivers float gears, the official CDL manual and skills test require the driver to demonstrate proper double-clutching techniques.
5. How can you recognize the hazard of 'black ice'?
- A. The road appears dark and wet, but the temperature is below freezing. (correct answer)
- B. The road surface turns completely white with snow.
- C. The road surface cracks audibly as you drive over it.
- D. Your tires emit black smoke when braking.
Why: Black ice is a thin layer of transparent ice. It makes the road look wet, but if the temperature is below freezing, that 'wet' look is actually a highly hazardous, slippery ice layer.
CDL Job Market in Texas
Texas is a cornerstone of American trucking. It has the largest state highway network in the country and direct access to both Gulf Coast ports and the US-Mexico border. FFE and Stevens Transport are both based in Dallas, which keeps the state a top pick for OTR and reefer specialists. Drivers here get zero state income tax, a lower cost of living than the coastal states, and freight demand that never lets up in the booming Permian Basin oil region.
FFE Transportation, Stevens Transport, J.B. Hunt Transport, Werner Enterprises
Texas CDL median: $53,070, average $56,470 in 2026 (BLS/tradecareerpath). It's a logistics powerhouse that lands in the top 5 for trucking employment every year, with major hubs in Dallas, Houston, and San Antonio.