Texas CDL Permit Test (TX) Online Simulator

4.9 out of 5 (158 votes)
80% Passing score
50 Questions
10 Mistakes allowed
Howdy, folks! If you're aiming to get your CDL and need a solid practice tool, you've struck gold with our Online Texas CDL Permit Test Simulator. It's like having a personal coach, but without any cost. Yes, you heard that right - it's absolutely free! Unlike other pricey options, our simulator doesn't put a dent in your wallet but still offers an exceptional learning experience. This isn't just another Texas CDL practice test; it's a comprehensive written permit test simulator tailored for CDL hopefuls. With over 700 permit test questions and answers in its arsenal, every test run brings a fresh batch of 50 questions, ensuring you're always on your toes. These questions range from multiple-choice to true/false formats, mirroring the actual Texas permit test. Aimed at covering all the essentials for CDL licenses classes A and B, the CDL test simulator demands at least 40 correct answers out of 50 to pass. But why settle for the minimum? Strive for perfection and boost your confidence. Remember, while our permit practice test stands as a fantastic tool, it's a supplement, not a replacement for the mandatory Texas drivers education programs (also known as the Entry-level Driver Training course, or ELDT). It's best used alongside these courses, filling in gaps and reinforcing what you've learned. Think of it as the extra seasoning that makes your preparation complete. One unique feature of our Texas DMV CDL test simulator is the absence of time constraints. Unlike the time-pressured real CDL written permit test in 2026, here you can take your sweet time with each question. This setup not only eases the stress but also deepens your understanding, allowing you to thoroughly process each scenario. So, if you're gearing up for your CDL in the Lone Star State, give our simulator a whirl. It's an invaluable resource that blends comprehensive coverage, the freedom of self-paced learning, and the price tag of... well, nothing! Get ready to tackle that Texas CDL written test with confidence in 2026!
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Sample Texas CDL Test Questions - General Knowledge

Question 1

Which statement about a commercial vehicle's overhead clearance is correct?

  1. A Every posted clearance height is guaranteed to be exact
  2. B Road resurfacing cannot reduce bridge clearance
  3. C The vehicle's loaded weight can affect its height
  4. D A vehicle that cleared an overpass once will always clear it

Correct answer: C – The vehicle's loaded weight can affect its height

Cargo weight can change vehicle height; an empty van may ride higher than the same van when loaded. Texas guidance also warns that resurfacing may reduce the available space under an overpass after its height was posted. A driver must make sure there is adequate overhead clearance and choose another route when clearance is uncertain.

Source: Texas Commercial Motor Vehicle Drivers Handbook — § 2.7.4, “Space Overhead”

Question 2

Under the same ideal conditions, doubling your speed makes your braking distance approximately how many times longer?

  1. A Three times
  2. B Two times
  3. C Four times
  4. D Five times

Correct answer: C – Four times

Doubling speed increases braking distance to approximately four times its previous length. For example, the handbook compares 20 mph with 40 mph and explains that both braking distance and impact force become four times greater. This relationship concerns braking distance, one component of total stopping distance.

Source: Texas Commercial Motor Vehicle Drivers Handbook — § 2.6.1, “Stopping Distance”

Question 3

Which preparation helps prevent distracted driving?

  1. A Eating a large meal immediately before driving
  2. B Depending on coffee to maintain attention
  3. C Learning the vehicle's features and adjusting mirrors, controls, and radio settings before moving
  4. D Keeping a phone ready for reading and sending messages

Correct answer: C – Learning the vehicle's features and adjusting mirrors, controls, and radio settings before moving

Texas CDL guidance recommends eliminating potential in-vehicle distractions before driving. Become familiar with vehicle equipment, adjust the controls and mirrors, and program radio or navigation settings before moving. A driver should not type or read text messages while driving and should keep full attention on operating the vehicle safely.

Source: Texas Commercial Motor Vehicle Drivers Handbook — § 2.9.6, “Don't Drive Distracted”

Question 4

What is the main safety benefit of an antilock braking system?

  1. A It permits higher speeds and shorter following distances
  2. B It prevents every type of skid
  3. C It guarantees a shorter stopping distance
  4. D It helps prevent wheel lockup and maintain vehicle control during hard braking

Correct answer: D – It helps prevent wheel lockup and maintain vehicle control during hard braking

ABS detects potential wheel lockup and adjusts braking pressure to help the wheels continue rolling. This helps the driver maintain control and may permit steering around an obstacle during hard braking. ABS does not necessarily reduce stopping distance and cannot prevent skids caused by excessive speed, sharp turning, or spinning drive wheels.

Source: Texas Commercial Motor Vehicle Drivers Handbook — § 2.18.4, “How ABS Helps You”

Question 5

If a see-through coolant recovery container is not part of the pressurized system, what may you do while the engine is at operating temperature?

  1. A Check the level and, if necessary, remove that container's cap to add coolant
  2. B Remove the radiator cap immediately
  3. C Replace the coolant with plain water only
  4. D Ignore the coolant-temperature gauge

Correct answer: A – Check the level and, if necessary, remove that container's cap to add coolant

A sight glass or see-through recovery container permits the coolant level to be checked while the engine is hot. If that container is not pressurized, its cap may be removed and coolant added at operating temperature. Never remove a radiator cap or open another part of the pressurized system until it has cooled because hot steam and coolant can cause severe burns.

Source: Texas Commercial Motor Vehicle Drivers Handbook — § 2.14.1, “Vehicle Checks—Engine Coolant”

Question 6

Why should you take the ignition key with you during the outside portion of a vehicle inspection?

  1. A To make it easier to locate after the inspection
  2. B To help prevent the vehicle from being started or moved while you are outside or underneath it
  3. C To unlock air-brake inspection components
  4. D To reset the vehicle's warning devices

Correct answer: B – To help prevent the vehicle from being started or moved while you are outside or underneath it

The Texas inspection procedure directs the driver to set the parking brake, shut off the engine, and take the key before leaving the cab. Keeping the key with you helps prevent another person from starting or moving the vehicle while you are inspecting it. This is especially important when the inspection requires you to work near or underneath the vehicle.

Source: Texas Commercial Motor Vehicle Drivers Handbook — § 2.1.5, “Seven-step Inspection Method—Step 4: Turn Off Engine and Check Lights”

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