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In Partnership with Austin Public Library

FREE Texas CDL General Knowledge Test 2018 | TX

If you want to obtain a Commercial Driver’s License in the state of Texas, you’re going to have to pass the knowledge tests applying to your particular type of vehicle. There are various different tests, but every applicant has to pass the general knowledge test with at least an 80% score. The 50 questions below are all drawn from the very latest (revised June 2018) Texas Department of Public Safety manual. There’s a hint to help you if you’re stuck on a question, and an explanation of the answer so you won’t just know the answer, you’ll know how it applies to real life situations out on the road. Good luck and safe driving!

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Passing score required at the TX DMV: 80%
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More TX CDL Resources:

  1. TX Special Requirements CDL Test
  2. TX CDL General Knowledge Test 1 (you are here)
  3. TX CDL General Knowledge Test 2
  4. TX CDL General Knowledge Test 3
  5. TX CDL General Knowledge Test 4
  6. TX CDL General Knowledge Test 5
  7. TX CDL General Knowledge Test 6
  8. TX CDL General Knowledge Marathon
  9. TX CDL General Knowledge Test: Exam Mode
  10. TX CDL HazMat Test
  11. TX CDL HazMat Test 2
  12. TX CDL HazMat Test 3
  13. TX CDL HazMat Marathon
  14. TX CDL HazMat Test: Exam Mode
  15. TX CDL School Bus Test
  16. TX CDL School Bus Test 2
  17. TX CDL School Bus Test 3
  1. TX CDL School Bus Marathon
  2. TX CDL School Bus Test: Exam Mode
  3. TX CDL Passenger Vehicles Test
  4. TX CDL Passenger Vehicles Test 2
  5. TX CDL Passenger Vehicles Test 3
  6. TX CDL Passenger Vehicles Marathon
  7. TX CDL Passenger Vehicles Test: Exam Mode
  8. TX CDL Air Brakes Test
  9. TX CDL Air Brakes Test 2
  10. TX CDL Air Brakes Test 3
  11. TX CDL Air Brakes Test 4
  12. TX CDL Air Brakes Marathon
  13. TX CDL Air Brakes Test: Exam Mode
  14. TX CDL Combination Vehicles Test
  15. TX CDL Combination Vehicles Test 2
  16. TX CDL Combination Vehicles Test 3
  17. TX CDL Combination Vehicles Test 4
  1. TX CDL Combination Vehicles Marathon
  2. TX CDL Combination Vehicles Test: Exam Mode
  3. TX CDL Double/Triple Trailers Test
  4. TX CDL Double/Triple Trailers Test 2
  5. TX CDL Double/Triple Trailers Test 3
  6. TX CDL Double/Triple Trailers Marathon
  7. TX CDL Double/Triple Trailers Test: Exam Mode
  8. TX CDL Tanker Vehicles Test
  9. TX CDL Tanker Vehicles Test 2
  10. TX CDL Tanker Vehicles Test 3
  11. TX CDL Tanker Vehicles Marathon
  12. TX CDL Tanker Vehicles Test: Exam Mode
  13. TX CDL Pre-Trip Inspection Test
  14. TX CDL Pre-Trip Inspection Test 2
  15. TX CDL Pre-Trip Inspection Test 3
  16. TX CDL Pre-Trip Inspection Marathon
  17. TX CDL Pre-Trip Inspection: Exam Mode