Preparing to take your CDL skills test and need help with the pre-trip inspection section? Start preparing now with our free Wisconsin CDL Pre-Trip Inspection Practice Test. With 30 questions covering the inspection of both the inside and outside of your rig, our practice test delivers an accurate preview of the content and the format of the real test. We believe there really is no better way to get prepared for the pre-trip inspection endorsement test.

Passing your pre-trip inspection will help ensure that you have the knowledge to help keep the roadways safe for both yourself and other drivers. It will demonstrate a level of safety knowledge that could improve your standing in employers’ eyes. This practice test includes questions just like these: For manual slack adjusters, the brake pushrod should not move more than how much? What releases the fifth wheel locking jaw so the trailer can be uncoupled?

Answering 80% or more of the questions correctly will earn you a passing score on this test. You can take this practice test as many times as necessary to achieve that passing score. We recommend that you read each answer explanation as you progress through the test. When you retake the test the questions will be reordered. Thanks to this practice test it is now easy to experience the pre-trip inspection test before you visit the DMV and pay a fee to take it. Our practice test is similar in both content and format to the real test and passing this practice test means you are taking a big step forward in your quest to pass the real state pre-trip inspection endorsement exam. Begin practicing now with our test.

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Wisconsin CDL Pre-Trip Inspection Overview:
20 Total number of questions:
16 Number of questions required to pass:
80 Percentage required to pass:
Wisconsin CDL Handbook 2019

Get the latest (2019) official WI CDL Handbook.