New Mexico / Common CDL knowledge

New Mexico common CDL study sets: all subjects

84 additional common commercial-driving knowledge questions, with explanations after each answer. Choose a short test or focus on a topic. Decisions already covered by the existing school-bus study are not duplicated here.

Practice commercial-driving skills and safety. Check New Mexico requirements to find which licenses and endorsements you need. How we built this practice.

All topics and study tools

Choose an all-subject study set

These 5 non-overlapping sets cover all 84 additional technical questions once, across 8 subjects. They do not replace the existing school-bus sets and are not combined endorsement examinations. The final set contains 4 real questions without padding or repeats. Use the topic pages below when you want one subject only.

All-subject Study 120 questions All-subject Study 220 questions All-subject Study 320 questions All-subject Study 420 questions All-subject Study 54 questions

New Mexico common CDL study sets: all subjects

Choose an all-subject study set

Practice one common CDL subject

General knowledge and cargo

Air brakes

Combination vehicles

Double trailers

Tank vehicles

Passenger vehicles

School bus safety

Hazardous materials safety