CDL Practice Test
Pass the Combination Vehicles test and earn your Class A
Every Class A applicant must pass this exam — no combination test, no tractor-trailer. These questions are written against the CDL manual combination-vehicles section and 49 CFR, with the citation attached: glad hands to fifth wheels, tractor protection valves to rollover prevention.
- Questions
- 30
- To pass
- 80%
- Modes
- Study · Timed
- Time limit
- 30 min (Timed mode)
Study Mode
Learn as you go — one question at a time. Answer, and the correct choice, a plain-English explanation, and the exact 49 CFR / CDL-manual citation appear immediately. Progress saves on this device.
Untimed · instant feedback · free
Timed Test
Exam conditions — 30 minutes on the clock, no feedback until you submit, answers changeable until the end. Explanations and citations are revealed with your score.
30 min · auto-submits at zero · 80% to pass
Been here before? Drill your bookmarks or your missed questions — saved on this device, no account needed.
Where this fits
A practice test is one step. These are the others, in the order most drivers meet them:
- The CDL permit (CLP), explained — what the permit is, the tests that earn it, and how long it lasts.
- Entry-Level Driver Training (ELDT) requirements — the federal training step. Practice tests do not satisfy any part of ELDT, which must be completed with a provider listed on the FMCSA Training Provider Registry.
- The CDL skills test — the inspection, basic control and road test that come after the permit.
- Pre-CDL — the whole run-up to CDL school, stage by stage. “Pre-CDL” is our own name for that preparation stage, not a federal licence class, permit type, or government program.
Still working toward the permit?
These practice tests are free and always will be. If you want the whole run-up walked through in order — what to do before you ever sit the test, how the permit stage fits together, and what CDL school expects on day one — that is what CDL Pre-School is, a self-paced course for $199.
Free guide
Keep studying with the free guide
The free Driver’s Mind guide for new drivers — and the driver list, where new tests and study resources are announced first.