Ohio CDL Manual 2026
Official Commercial Driver License Manual published by Ohio Bureau of Motor Vehicles. Available in 1 language.
Ready to test your knowledge?
Ohio CDL Knowledge Test Practice
Real questions based on the official Ohio CDL Manual. Free — no signup needed.
Take Free CDL Knowledge Test →Frequently Asked Questions
What is covered in the Ohio CDL manual?
The Ohio CDL manual covers general knowledge (traffic laws, safe driving), vehicle inspection, basic vehicle control, shifting/backing, pre-trip inspections, hazardous materials, passenger transport, air brakes, and combination vehicles — following FMCSA federal guidelines.
How many questions are on the Ohio CDL general knowledge test?
The CDL general knowledge test in Ohio (OH) typically has 50 questions. You must score at least 80% to pass. Endorsement tests (HazMat, Tanker, Passenger, etc.) are separate and have 20–30 questions each.
Do I need a CDL to drive a commercial vehicle in Ohio?
Yes. A Commercial Driver License (CDL) is required in Ohio to operate vehicles with a GVWR over 26,000 lbs, vehicles carrying 16+ passengers, or any vehicle transporting hazardous materials requiring placards.
Is the Ohio CDL manual the same as the federal CDL manual?
The Ohio CDL manual is based on the federal FMCSA Commercial Driver's License Standards but may include state-specific regulations. Always study the Ohio-specific version for your test.