

It meets certain minimum "standards" thatĪre the same for every state. Note: If upgrading to a Class C from a Class D, no road test is required UNLESS the endorsement requires one.įor the most complete and accurate official Iowa state CDL information, (Combination vehicle endorsement required) Air Brake Restriction Removal - 25 questions - Additional skills test in vehicle with Air Brakes.Hazardous Materials Endorsement - 30 questions - No additional skills tests.Tank Vehicle Endorsement - 20 questions - No additional skills tests.Doubles/Triples Endorsement - 20 questions - No additional skills tests.School Bus Endorsement - 25 questions - Skills test required in school bus.Passenger Endorsement - 20 questions - Skills test required in bus.Class C - 50 Questions - Skills test required for bus, school bus and air.Class B - 50 Questions - Skills test required.Class A - 70 Questions (50 GK + 20 Combination Vehicles) - Skills test required.The information needed to pass these tests is contained

Iowa class c cdl test license#
Knowledge test for the Class A or Class B and C license must be successfully completedīy all CDL applicants. The class of license, restriction, and endorsements you wish to possess. You will need to pass the Iowa Knowledge Tests that are required for The hazardous material knowledge examination is also required. *The hazardous material endorsement fee must be paid every time a CDL is renewed.

Iowa CDL (commercial driver's license) License Fees
