Texas CDL Permit Test Questions and
Answers | Latest Version | 2025/2026 |
Correct & Verified
What is the minimum age to obtain a commercial learner’s permit (CLP) in Texas?
✔✔18 years old for intrastate driving, 21 for interstate driving.
Before driving a commercial vehicle, how long must you hold a CLP before taking the skills
test?
✔✔At least 14 days.
What must you do if your CLP expires before you take the skills test?
✔✔Apply for a new CLP.
Which type of vehicles require a Class A CDL?
✔✔Combination vehicles with a gross combination weight rating (GCWR) over 26,000 pounds.
Which type of vehicles require a Class B CDL?
✔✔Single vehicles with a GVWR of 26,001 pounds or more, or towing a vehicle not more than
10,000 pounds.
Which type of vehicles require a Class C CDL?
1
,✔✔Vehicles designed to transport 16 or more passengers or hazardous materials requiring
placarding.
What is the proper way to perform a pre-trip inspection?
✔✔Check all major systems, lights, tires, brakes, and cargo securement before driving.
When driving a commercial vehicle, what is the legal blood alcohol concentration (BAC) limit?
✔✔0.04% for commercial drivers.
What should you do if your vehicle begins to skid?
✔✔Take your foot off the accelerator, steer in the direction you want to go, and avoid braking
suddenly.
What is the proper hand signal for a left turn if your lights are not working?
✔✔Left arm straight out horizontally.
How often must commercial vehicle drivers stop at a weigh station if directed?
✔✔Every time you are directed by signs or law enforcement.
What is the maximum number of hours a commercial driver can drive after 8 consecutive hours
off duty?
✔✔11 hours of driving within a 14-hour on-duty period.
2
, What is the required minimum tread depth for front tires on a commercial vehicle?
✔✔4/32 inch.
What is the required minimum tread depth for rear tires on a commercial vehicle?
✔✔2/32 inch.
What should you do if your brakes fail while driving?
✔✔Use the parking brake gradually and steer to a safe location.
What is the proper way to secure a load on a flatbed truck?
✔✔Use appropriate tie-downs, distribute weight evenly, and check tension during travel.
What is the maximum speed limit for a commercial vehicle on a Texas highway unless posted
otherwise?
✔✔75 mph on rural interstates, 70 mph on other highways unless posted differently.
When driving in fog, what lights should you use?
✔✔Low-beam headlights and fog lights if available.
What should you do if you encounter a tire blowout while driving?
✔✔Hold the steering wheel firmly, ease off the accelerator, and brake gently after slowing down.
3
Answers | Latest Version | 2025/2026 |
Correct & Verified
What is the minimum age to obtain a commercial learner’s permit (CLP) in Texas?
✔✔18 years old for intrastate driving, 21 for interstate driving.
Before driving a commercial vehicle, how long must you hold a CLP before taking the skills
test?
✔✔At least 14 days.
What must you do if your CLP expires before you take the skills test?
✔✔Apply for a new CLP.
Which type of vehicles require a Class A CDL?
✔✔Combination vehicles with a gross combination weight rating (GCWR) over 26,000 pounds.
Which type of vehicles require a Class B CDL?
✔✔Single vehicles with a GVWR of 26,001 pounds or more, or towing a vehicle not more than
10,000 pounds.
Which type of vehicles require a Class C CDL?
1
,✔✔Vehicles designed to transport 16 or more passengers or hazardous materials requiring
placarding.
What is the proper way to perform a pre-trip inspection?
✔✔Check all major systems, lights, tires, brakes, and cargo securement before driving.
When driving a commercial vehicle, what is the legal blood alcohol concentration (BAC) limit?
✔✔0.04% for commercial drivers.
What should you do if your vehicle begins to skid?
✔✔Take your foot off the accelerator, steer in the direction you want to go, and avoid braking
suddenly.
What is the proper hand signal for a left turn if your lights are not working?
✔✔Left arm straight out horizontally.
How often must commercial vehicle drivers stop at a weigh station if directed?
✔✔Every time you are directed by signs or law enforcement.
What is the maximum number of hours a commercial driver can drive after 8 consecutive hours
off duty?
✔✔11 hours of driving within a 14-hour on-duty period.
2
, What is the required minimum tread depth for front tires on a commercial vehicle?
✔✔4/32 inch.
What is the required minimum tread depth for rear tires on a commercial vehicle?
✔✔2/32 inch.
What should you do if your brakes fail while driving?
✔✔Use the parking brake gradually and steer to a safe location.
What is the proper way to secure a load on a flatbed truck?
✔✔Use appropriate tie-downs, distribute weight evenly, and check tension during travel.
What is the maximum speed limit for a commercial vehicle on a Texas highway unless posted
otherwise?
✔✔75 mph on rural interstates, 70 mph on other highways unless posted differently.
When driving in fog, what lights should you use?
✔✔Low-beam headlights and fog lights if available.
What should you do if you encounter a tire blowout while driving?
✔✔Hold the steering wheel firmly, ease off the accelerator, and brake gently after slowing down.
3
