Walk around a real truck.
Pass the test.

Interactive 360° inspection trainer. Spin around the truck, click any part, and learn exactly what to say to your CDL examiner.

Practice

Explore freely. Click parts to learn.

Test

Multiple-choice quiz on every part.

Audio Walkthrough

Hear the full inspection in order.

Find the Defect

Spot the real defect among 5 colored markers.

Order Game

Put every "must be in order" checklist in the correct sequence.

Study Guide (PDF)

Thumb CDL 2024 pre-trip inspection — view online or download.

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Disclaimer

This app is a study aid for the state pre-trip inspection test. It does not cover every component of a full inspection (for example, fuel filter, battery box and batteries, and other items may not be included). When performing an inspection for your job, you must check the entire truck before driving on a public road.

Walk around a real truck.Pass the test.

Pick a truck to start

Walk around a real truck.
Pass the test.