Driver Vehicle Inspection Report (DVIR) Explained
CDL drivers must complete a DVIR before and after each trip under 49 CFR Part 396. Learn what to include and how to keep records.
CMV Inspection Guides
Federal regulations at 49 CFR Part 396 require CDL drivers and motor carriers to inspect, maintain, and document the condition of every commercial motor vehicle (CMV). These guides cover DVIR requirements, pre-trip inspection procedures, annual CMV inspection rules, out-of-service criteria, and recordkeeping obligations.
Pre-Trip Inspection Checklist for CDL Drivers
A practical guide to the CDL pre-trip vehicle inspection: what to check, what the regulations require, and how to document findings in the DVIR.
Annual CMV Inspection — 49 CFR Part 396
CMVs must pass a periodic inspection every 12 months under 49 CFR Part 396. Learn who may perform it, what it covers, and what records carriers must keep.
Out-of-Service Criteria for CMV Operators
What triggers driver and vehicle out-of-service orders at roadside inspections — common violations, how OOS orders work, and how they affect CSA scores.
CVSA Roadside Inspection Levels I Through VI
What each of the six CVSA inspection levels covers, which applies at weigh stations, and how a passing inspection affects the annual CMV requirement.
DVIR Recordkeeping — Retention Requirements
DVIR records must be kept for 3 months. Learn what carriers and drivers must retain and how DVIRs connect to overall CMV maintenance records.
Cargo Securement Rules — 49 CFR Part 393
Cargo securement rules under 49 CFR Part 393: tiedown requirements, working load limits, blocking and bracing, and how violations affect CSA scores.