Trucking Safety,
By the Numbers
Data-driven investigations into America's FMCSA enforcement records. Every inspection is public. We make it understandable.
The Most Dangerous Trucking Companies in America
We analyzed every FMCSA inspection and crash record to identify the carriers with the worst safety records — the highest out-of-service rates, the most crashes, and the most violations.
Read the investigation · 10 minTrucking Safety by State
Which states have the most dangerous trucking companies? We ranked all 50 states by inspection rates, OOS violations, crash frequency, and F-graded carriers.
Explore the data · 8 minHow to Check a Trucking Company's Safety Record
A step-by-step guide to looking up any carrier's FMCSA safety data. What USDOT numbers mean, where to find inspection results, and how to interpret the data.
Read the guide · 7 minWhat Is a CSA Score?
Everything you need to know about the FMCSA's Compliance, Safety, Accountability program — what CSA scores measure, how they're calculated, and why they matter.
Read the explainer · 8 minWhat Does Out-of-Service Mean?
What an out-of-service violation is, why it matters, and how OOS rates affect a trucking company's safety record and grade.
Read the explainer · 6 minFMCSA Inspection Levels Explained
What happens at each of the six FMCSA roadside inspection levels, from a full Level 1 vehicle and driver exam to specialized checks.
Read the guide · 7 minWhat Is a DOT Safety Rating?
The difference between FMCSA safety ratings, CSA scores, and CarrierRecord grades — and what each one tells you about a trucking company.
Read the explainer · 6 minHow to File a Complaint Against a Trucking Company
Step-by-step guide to filing a safety complaint with the FMCSA, including what information you need and what happens next.
Read the guide · 5 minWhat to Do After a Trucking Accident
What steps to take immediately after a commercial truck accident, from documenting the USDOT number to checking the carrier's safety record.
Read the guide · 7 minCheck Any Carrier
Every carrier in our database has a safety profile with inspection history, crash records, and a letter grade.