If you have an Anti-Lock Braking System (ABS) equipped on only the tractor, only the trailer, or only one axle, you will still have more control over the vehicle when braking than you would without ABS. You should brake normally.

Still allows you additional control when braking.

Slows the vehicle, but cannot stop it.

If you must drive onto the shoulder to avoid a hazard, stay on it until you come to a stop; then signal, check your mirrors, and merge back into traffic. Avoid braking on the shoulder at speeds higher than about 20 mph. To help maintain control, always keep one set of wheels on the pavement, if possible.

Stay on the shoulder until your vehicle has stopped, if possible.

Get both sets of wheels onto the shoulder.

Stay on the shoulder until your vehicle has stopped, if possible.

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.

Steer with one hand and keep the other hand free.

If you see a distracted driver, give them plenty of space and maintain a safe following distance.

Maintain a safe distance from the vehicle.

Class A Driving Test | Iowa 2024 #2 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 2024, 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.

Number of Question 50

Passing Score 40

Number of Tests 20

Class A Driving Test | Iowa 2024 #2 Page 2 of 7

8 . During a pre-trip inspection, belts should be:

9 . Having ABS on only one axle:

10 . If you must leave the roadway and drive on the shoulder in an emergency situation, you should:

11 . If you are driving at a reduced speed in a construction zone when you spot a construction worker near the road, you should:

12 . When traveling through a work zone, you should:

13 . If approaching a vehicle with a distracted driver, you should:

14 . What is the average driver’s reaction time?

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