Missouri CDL Practice Test 2026

Practice question bank

Sample questions

1. The two markings on a front brake limiting valve usually read:

   • "Normal" and "slippery." ✓
   • "Low" and "high."
   • "Left" and "right."

   Vehicle Equipment & Safe Operation · Answer: A · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 5 – Air Brakes, p. 83

2. A bridge formula:

   • Permits less weight per axle for axles that are close together. ✓
   • Permits more weight for trucks.
   • Is not a concern for drivers.

   General Driving Knowledge · Answer: A · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 3 – Transporting Cargo Safely, p. 74

3. During the driving test, when encountering a railroad crossing, you should:

   • Pass another vehicle on the tracks if the other vehicle is going too slow.
   • Get out of the vehicle to check for a train.
   • Not change gears while your vehicle is on the tracks. ✓

   Sharing the Road · Answer: C · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 13 – On-Road Driving, p. 187

4. If a trailer begins to skid, it is best for the driver to:

   • Release the brakes. ✓
   • Accelerate.
   • Quickly turn the steering wheel in one direction, then in the other.

   Bad Weather & Night Driving · Answer: A · Official handbook: Texas Commercial Driver License Handbook (DL-7C), Section 6 – Combination Vehicles, p. 93

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