OH DMV Commercial Driver's License (CDL)

Question 1

What minimum age must an Ohio CDL holder be to drive a commercial vehicle in interstate commerce?

Accepted Answer

21 years old

Answer

Federal law requires CDL holders to be at least 21 years old to operate commercial vehicles in interstate (across state lines) commerce.

Question 2

What is the BAC limit for CDL holders operating a commercial vehicle in Ohio?

Accepted Answer

0.04%

Answer

Ohio CDL holders are held to a stricter 0.04% BAC limit when operating a commercial motor vehicle, half the limit for regular drivers.

Question 3

Which class of Ohio CDL is required to operate a vehicle with a GVWR over 26,000 lbs?

Accepted Answer

Class A or Class B depending on trailer weight

Answer

A Class B CDL covers single vehicles over 26,000 lbs GVWR, while a Class A is needed when the combination vehicle (truck + trailer) exceeds 26,000 lbs with the trailer over 10,000 lbs.

Question 4

What does a CDL 'Hazardous Materials' (H) endorsement allow an Ohio driver to transport?

Accepted Answer

Materials requiring placarding under federal hazmat regulations

Answer

The Hazmat (H) endorsement on an Ohio CDL allows the driver to transport materials that require federal hazardous materials placards on the vehicle.

Question 5

What additional check is required for Ohio CDL applicants seeking a Hazardous Materials endorsement?

Accepted Answer

A TSA security threat assessment (fingerprint-based federal background check)

Answer

Federal law requires all CDL applicants seeking a Hazardous Materials endorsement to undergo a TSA security threat assessment, which includes fingerprinting and a federal background check.

OH DMV - Ohio Department of Motor Vehicle Practice Test

OH DMV - Ohio Department of Motor Vehicle Practice Test

OH DMV Commercial Driver's License (CDL)