Other Quizzes in This State
Depending on which class of CDL license you want to obtain, choose the appropriate test. The tests differ in terms of topics and number of questions, so choose the one you need carefully
CDL General Knowledge
All CDL applicant must pass this test, no matter what type of commercial vehicle they intend to operate. This test assesses knowledge of traffic laws, safety regulations, and vehicle operation
CDL Air Brake
The Air Brakes test is required for CDL applicants who plan to operate vehicles equipped with air brake systems. It covers the basics of how air brakes work, safety checks, and proper usage
CDL Combination vehicle
The Combination Vehicle test is required for CDL applicants who plan to drive vehicles with multiple trailers. It covers handling, safety, and operating procedures specific to combination vehicles
Hazmat Endorsement Test
This test assesses knowledge of safe handling, transportation regulations, emergency procedures, and identification of hazardous substances
School Bus Endorsement Test
This test ensures knowledge and skills to safely operate a school bus, including pre-trip inspections, passenger safety and adherence to traffic laws
CDL Tanker Endorsement Test
This endorsement is necessary for drivers handling tanker trucks, which require specific skills due to the unique challenges posed by the movement of the cargo
Double-Triple Endorsement Test
It's a specialized test for commercial drivers who wish to operate combination vehicles with double or triple trailers to haul longer, more complex configurations
Passenger Endorsement Test
Specialized test for commercial drivers who wish to transport passengers, essential for operating buses, coaches, and other passenger-carrying vehicles
Road Sign Test
This test is an important assessment designed to evaluate a driver's ability to recognize and accurately understand traffic signs and their meanings clearly
Iowa CDL Handbook
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