
DOT Inspections Explained: Levels, FMCSA Out-of-Service Criteria, and How to Pass
Oct 02, 2025 in Tips and TricksIf you’re a truck driver or own a commercial trucking business, you’ve probably heard of DOT inspections. But what do they really involve? Who sets the rules? And how can you prepare so your truck — and your business — stays on the road?
This guide breaks down the DOT inspection checklist, explains the FMCSA Out-of-Service (OOS) Criteria, and walks you through the Level 1 inspection procedure step by step.