Knowledge Test Class A #1
Class A Driving Test | Iowa 2025 #1 Page 2 of 7
Train for FREE online with our Iowa class A license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a IA CDL class A permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class A requirements may vary from state to state.
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8 . Causing a fatality through negligent operation of a CMV will result in the loss of your CDL for a minimum of:
Three weeks.
A first conviction of causing a fatality through negligent operation of a CMV will result in the loss of your CDL for at least one year.
9 . Poor weight balance:
Poorly balanced cargo can cause a vehicle to be difficult to handle. Keep weight distribution in mind when loading cargo.
10 . If your brakes fail on a downgrade, your best hope to stop is to:
If your brakes fail on a downgrade, you will have to look outside your vehicle for a way to stop. Using an escape ramp is the safest way to stop your vehicle.
11 . Anti-Lock Braking Systems (ABS):
An Anti-Lock Braking System (ABS) helps prevent wheels from locking up during a hard application of brakes.
12 . When traveling through a work zone, you should:
Always observe posted speed limits for work zones. Slow down if road or weather conditions are adverse, and slow down even more if workers are on or near the road.
13 . When loading a trailer, it is important to:
A load of cargo must be properly balanced. Placing too much weight over an axle can damage the axle and make it more difficult for you to steer. Placing too little weight over an axle can cause poor traction, also leading to difficult handling.
14 . When leaving your vehicle:
Parking brakes should be used whenever you park. If necessary, chock your wheels.
See the exact questions that will be on the 2025 Iowa DMV exam.
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Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
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2025 Iowa | Frequently Asked Questions
A CDL Class A license in Iowa is defined as a commercial driver's license that permits the holder to operate any combination of vehicles with a Gross Vehicle Weight Rating (GVWR) of 26,001 pounds or more, provided the GVWR of the vehicle(s) being towed is in excess of 10,000 pounds. This includes tractor-trailers, truck and trailer combinations.
A Class A CDL license in Iowa allows the holder to operate various types of vehicles including tractor-trailers, truck and trailer combinations, tank vehicles, livestock carriers, and flatbeds. The license covers vehicles with a Gross Vehicle Weight Rating (GVWR) over 26,001 pounds and the towed vehicle is more than 10,000 pounds.
To obtain a Class A CDL license in Iowa, you must be at least 18 years old (21 for interstate driving), possess a valid non-commercial driver's license, and pass a vision test. You'll also need to pass written knowledge tests, a skills test, and a pre-trip vehicle inspection. For certain endorsements like hazardous materials, a background check is required.
In Iowa, you must be at least 18 years old to qualify for a Class A CDL license. However, please note that while you can obtain a CDL at 18, federal law requires drivers to be at least 21 years old to drive commercial vehicles across state lines or to transport hazardous materials.
Specific endorsements aren't required for a Class A CDL license in Iowa but they can enhance your license. Endorsements like "T" for double/triple trailers, "P" for passenger vehicles, or "H" for hazardous materials allow you to operate specific types of vehicles or carry certain types of cargo. Each endorsement requires passing additional tests.
The Class A CDL skills test in Iowa encompasses three main areas: pre-trip inspection, basic vehicle control, and on-road driving. The pre-trip inspection tests your ability to inspect your vehicle before driving. Basic vehicle control assesses your ability to control the vehicle. On-road driving tests your ability to drive the vehicle in various traffic situations, including turns, intersections, and highway driving.
Yes, Class A CDL license holders in Iowa may face limitations based on their medical qualifications, the type of vehicle they're allowed to operate, and the cargo they can transport. This could result in restrictions such as "No passengers", "Intrastate only", or "No air brake equipped". Also, drivers under 21 are limited to intrastate operation only.
In Iowa, the written Class A CDL test is primarily administered in English. However, some locations may offer the test in Spanish. It's important to note that even if the test is taken in Spanish, the Federal Motor Carrier Safety Administration requires all commercial drivers to read and speak English sufficiently to converse with the general public, understand highway traffic signs and signals, respond to official inquiries, and make entries on reports and records.
Yes, you can request accommodations for the Class A CDL written test in Iowa if you have a disability. The Iowa Department of Transportation is committed to providing reasonable accommodations in accordance with the Americans with Disabilities Act. You should contact your local DOT office in advance to discuss your needs and arrange for modifications or aids to assist you during the test.
Yes, if you don't pass the Class A CDL written test in Iowa, you can retake it. However, you must wait at least one day before retaking the test. Please note that there may be additional fees for each retest. It's advised to review your study materials thoroughly before attempting the test again to increase your chances of passing.
