DOT inspection history, explained
What DOT roadside inspection history is, what FMCSA records contain, and how it ties to a specific commercial truck VIN.
Free FMCSA roadside summary. We accept exact 17-character VINs only and never silently correct a VIN.
Data sources: NHTSA vPIC (queried live) and FMCSA public inspection records (bulk-refreshed monthly · last refreshed July 1, 2026).
Reviewed by TruckWhere Research · Checked against NHTSA vPIC and FMCSA public inspection data · Last reviewed July 1, 2026.
What is DOT roadside inspection history?
A DOT roadside inspection is a safety check of a commercial vehicle and/or its driver, recorded in the Federal Motor Carrier Safety Administration's (FMCSA) inspection files. Each inspection can cite vehicle-specific violations and may place a unit out-of-service until the condition is corrected.
Who performs the inspections?
Most roadside inspections are conducted by state enforcement personnel under the Motor Carrier Safety Assistance Program (MCSAP), alongside federal FMCSA inspectors. Both feed the same national inspection dataset, which is published in FMCSA's public data files.
Inspection levels
Inspections range from a full Level I (driver + vehicle, including under-vehicle brake and steering components) to lighter walk-around and driver-only levels. The level tells you how thorough a given inspection was — a clean Level III says less about the vehicle than a clean Level I.
How history ties to a specific VIN
FMCSA records identify violations at the unit level. TruckWhere matches records to the exact17-character VIN and attributes each violation to the specific unit (tractor vs. trailer) — so the searched VIN is not blamed for another unit's defects. Absence of records is not proof of a clean truck; it means no exact VIN match was found in the available data.
Ready to check a specific truck? Use the commercial truck VIN lookup above, or read the full methodology.
What the free VIN summary can reveal
- VIN decode: year, make, model, body class, GVWR
- FMCSA roadside inspection count for the exact VIN
- Vehicle-specific violation count
- Out-of-service count
- Carriers observed operating the VIN
- Most recent roadside event
- Top issue categories when violations exist
TruckWhere uses official public NHTSA and FMCSA records. It does not include title brands, liens, insurance claims, auction records, or complete odometer history.
Other truck manufacturers
Decode a VIN and check DOT roadside history for other commercial truck brands:
Frequently asked questions
- What is a DOT roadside inspection?
- A safety inspection of a commercial vehicle and/or driver performed at the roadside or an inspection station. Findings are recorded in FMCSA's inspection files, including any violations cited and whether a unit was placed out-of-service.
- Who performs DOT roadside inspections?
- Most are conducted by state enforcement personnel under the Motor Carrier Safety Assistance Program (MCSAP), alongside federal FMCSA inspectors. Both feed the same national inspection dataset.
- How does TruckWhere attribute violations to the right unit?
- FMCSA records identify violations at the unit level. TruckWhere attributes each violation to the specific unit (tractor vs. trailer) so the searched VIN is not blamed for another unit's defects.
- How far back does DOT inspection history go?
- It depends on the available public FMCSA files. History appears only for the exact VIN and only for inspections captured in those files; absence of records is not proof of a clean truck.