Ohio CDL — test facts & training hub
Ohio's CDL knowledge tests follow the national model — same lengths, same 80% pass mark — with state specifics in the Ohio Commercial Driver License Manual, published through the Ohio BMV. The facts first, then train.
50General Knowledge questions · 80% to pass
25Air Brakes questions · 80% to pass
20Combination questions · 80% to pass
80%Pass mark on every Ohio CDL knowledge test
Good to know in Ohio
- One national bank: because Ohio's manual tracks the federal model, the national question banks in our trainer cover the substance of the Ohio tests. Use the Ohio Commercial Driver License Manual to confirm state-specific details.
- Fees and exam stations: Ohio BMV and driver exam station fees change periodically. Check the current figures in the state manual and on the official Ohio BMV site before your visit — we won't invent a number.
- Retakes: if you miss the 80% line, you can retest — the smart move is to fix your weakest manual sections first. Our failed-test guide and the 3-day rescue plan lay out how.
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