A Shipper's Guide to Choosing a Safe Motor Carrier

Why Carrier Selection Is Your Most Important Safety Decision

In late 2023, a mid-size food distributor in Georgia learned an expensive lesson: a carrier they had been using for two years was involved in a fatal crash on I-75. When attorneys started digging, they found the carrier had been flagged with an 89th-percentile Unsafe Driving score for over a year -- a red flag that a five-minute records check would have caught. The distributor ended up settling for an amount that nearly bankrupted the company. That scenario plays out more often than most shippers realize.

When you tender freight to a carrier, you are not just hiring a truck. Under the legal doctrines of vicarious liability and negligent selection, you can be held responsible for crashes involving carriers you chose, especially if those carriers had documented safety problems that basic vetting would have revealed. Courts do not look kindly on shippers who skip their homework -- multi-million dollar judgments in these cases are no longer unusual.

Beyond the courtroom exposure, there is a practical reality that seasoned logistics managers already know: a carrier that cuts corners on safety tends to cut corners everywhere else, too. Late deliveries, damaged freight, missed appointments -- these problems cluster together with poor safety records more often than you would expect. And in 2026, with nuclear verdicts regularly clearing $10 million and social media amplifying every incident, one bad crash involving your freight can follow your brand for years.

We put together this guide as a practical, step-by-step framework for evaluating motor carrier safety -- from the first authority check through ongoing monitoring. It is not theoretical. Every step here maps to something you can verify today, often in minutes, using publicly available FMCSA data.

Step 1: Verify Operating Authority

Before evaluating any safety metrics, confirm the carrier has active, valid operating authority from the Federal Motor Carrier Safety Administration (FMCSA). This fundamental check ensures you're working with a legally authorized transportation provider.

Key verification points:

• USDOT Number: Every commercial motor carrier must have a unique USDOT number. Verify this number is active and matches the carrier's legal name exactly.
• MC Number: Interstate for-hire carriers require an MC (Motor Carrier) number. Confirm the MC number is active and not revoked.
• Operating Status: The carrier's authority must show "Active" status, not "Suspended" or "Revoked." Check the effective date to ensure authority hasn't recently lapsed.
• Authority Type: Verify the carrier holds the appropriate authority for your freight (Common, Contract, Broker, or Freight Forwarder).
• Cargo Classification: Confirm the carrier is authorized to transport your specific commodity type, particularly for hazardous materials.

Use the FMCSA's SAFER System or Trucking Record to conduct these checks. A carrier operating without proper authority represents an immediate red flag—proceed no further with vetting.

Step 2: Check the Safety Rating

The FMCSA Safety Rating represents the agency's official determination of a carrier's safety fitness based on on-site compliance reviews. This rating is one of the most important indicators in your evaluation process.

Understanding the rating categories:

• Satisfactory: The carrier has adequate safety management controls in place to ensure compliance with safety regulations. This is the only rating that presents no regulatory concerns.
• Conditional: The carrier has safety management controls in place but demonstrates some deficiencies. The FMCSA will monitor for improvement and may conduct follow-up reviews.
• Unsatisfactory: The carrier has inadequate safety management controls that do not ensure regulatory compliance. Carriers with Unsatisfactory ratings are prohibited from operating and may face suspension or revocation of authority.
• Not Rated: The carrier has not been reviewed or the review is too old to support a rating. This does NOT mean the carrier is safe—it simply means insufficient data exists for an official rating.

Here is a mistake we see constantly: shippers treat "Not Rated" as if it means "no problems found." It does not. It means the FMCSA simply has not gotten around to reviewing that carrier yet -- or the carrier is so new there has not been time for an audit. Roughly 90% of registered carriers in the U.S. carry a "Not Rated" designation, which makes relying on the rating alone a poor strategy. For these carriers, you need to lean harder on the other metrics we cover below.

For detailed guidance on interpreting safety ratings, see our Understanding FMCSA Safety Ratings article.

Step 3: Review Crash History

Crash data provides objective evidence of a carrier's real-world safety performance. The FMCSA maintains 24 months of crash data for all carriers, including fatal crashes, injury crashes, and towaway crashes.

How to interpret crash data:

Raw crash numbers alone don't tell the complete story. A carrier with 10 crashes may be safer than one with 5 crashes, depending on fleet size and exposure. Calculate crash rates to enable meaningful comparisons:

Start by calculating a crash rate per power unit -- divide total crashes by the number of trucks in the fleet. A 500-truck carrier with 8 crashes in 24 months looks very different from a 20-truck operation with the same 8 crashes. If mileage data is available, crash rate per million miles is even more precise. And always weight severity: a single fatal crash tells you far more about systemic problems than three towaway-only incidents. Any carrier with multiple fatalities in a 24-month window should be an automatic disqualification, full stop, regardless of how large the fleet is.

Context matters:

Consider the nature of the carrier's operation when evaluating crash data. Urban delivery carriers naturally face higher crash exposure than long-haul interstate carriers. Carriers specializing in hazardous materials or oversized loads operate in inherently higher-risk environments.

Compare the carrier's crash rates against national averages for similar operation types. The FMCSA publishes benchmark data that helps contextualize performance. A carrier performing worse than peer averages warrants additional investigation.

Review the crash details when available. Were crashes primarily preventable (carrier fault) or non-preventable (other driver at fault)? While all crashes indicate some level of risk exposure, patterns of preventable crashes suggest systemic safety management failures.

Step 4: Analyze CSA/SMS Scores

The Compliance, Safety, Accountability (CSA) program and Safety Measurement System (SMS) provide the most granular view of carrier safety performance. SMS scores are calculated from roadside inspections, crash data, and investigation results across seven Behavior Analysis and Safety Improvement Categories (BASICs).

The seven BASIC categories:

• Unsafe Driving: Speeding, reckless driving, improper lane changes, texting while driving
• Hours-of-Service Compliance: Logbook violations, exceeding drive time limits, false logs
• Driver Fitness: Unlicensed operators, medical certificate violations, driver qualification file failures
• Controlled Substances/Alcohol: Drug/alcohol violations, testing program failures
• Vehicle Maintenance: Brake defects, lighting violations, tire issues, frame/cargo securement problems
• Hazardous Materials Compliance: Improper placarding, packaging, or handling (only applies to HM carriers)
• Crash Indicator: Frequency and severity of crashes (distinct from raw crash data)

Understanding percentile thresholds:

SMS scores are expressed as percentiles—a carrier's ranking compared to peers with similar exposure. Higher percentiles indicate worse performance (a 90th percentile score means the carrier performs worse than 90% of similar carriers).

The FMCSA establishes intervention thresholds that trigger regulatory action:

• Warning threshold (typically 50-65th percentile): Carrier receives educational warning letters
• Investigation threshold (typically 80-85th percentile): Carrier becomes eligible for on-site compliance reviews and interventions

As a shipper, you should establish more conservative internal thresholds. Many shippers won't use carriers exceeding the 75th percentile in any BASIC, or the 50th percentile in Unsafe Driving or Controlled Substances.

For comprehensive guidance on interpreting these scores, read our CSA Scores Explained article.

Step 5: Verify Insurance Coverage

Adequate insurance coverage protects you from financial exposure if the carrier causes a crash involving your freight. Federal regulations establish minimum coverage requirements, but these minimums are often insufficient given today's litigation environment.

Minimum federal requirements:

• General freight: $750,000 liability coverage
• Hazardous materials (non-bulk): $1 million
• Hazardous materials (bulk): $5 million
• Oil and certain hazardous substances: $1 million (plus potential environmental response coverage)

Why the minimums are not enough anymore:

The federal minimum of $750,000 for general freight was set decades ago and has never been adjusted for inflation, let alone for the litigation environment of the 2020s. To put this in perspective, the median jury verdict in truck crash wrongful death cases now exceeds $5 million, and "nuclear verdicts" above $10 million are no longer rare. Smart shippers require carriers to carry $2-5 million in liability coverage for general freight, with higher limits for hazardous materials or high-value goods. The extra premium cost is a rounding error compared to the exposure.

Request a Certificate of Insurance (COI) directly from the carrier's insurance provider or broker. Verify:

• The policy is currently active with paid premiums
• Coverage limits meet or exceed your requirements
• Your company is named as "additional insured" or "certificate holder"
• The policy includes appropriate cargo coverage for your freight value
• There are no unusual exclusions that could deny coverage for your shipments

Don't accept expired certificates or verbal assurances. Maintain current certificates for all active carriers and implement a system to flag carriers with approaching expiration dates.

For more details on insurance requirements, see our Commercial Truck Insurance Guide.

Step 6: Review Inspection Results

Roadside inspection data provides real-time insight into how a carrier maintains vehicles and manages driver compliance. The FMCSA conducts hundreds of thousands of inspections annually, creating a robust data set for evaluation.

Key inspection metrics:

• Total Inspections: Higher inspection counts increase data reliability. A carrier with 100+ inspections provides better statistical confidence than one with only 5 inspections.
• Vehicle Out-of-Service (OOS) Rate: Percentage of inspections resulting in vehicle OOS orders due to critical mechanical violations. Compare against the national average (currently around 20%).
• Driver Out-of-Service Rate: Percentage of inspections resulting in driver OOS orders due to hours-of-service, licensing, or other violations. National average is approximately 5%.
• Inspection Level Distribution: Note whether inspections are primarily Level I (full inspections), Level II (walk-around), or Level III (driver-only). More Level I inspections provide better vehicle condition data.

What OOS rates actually tell you:

An out-of-service order means an inspector found something so wrong -- brakes failing, a driver exceeding hours, tires worn to the cords -- that they pulled the truck or driver off the road on the spot. These are not nitpick violations; they represent genuine "this vehicle should not be moving" conditions. When a carrier's vehicle OOS rate climbs past 30% (the national average sits around 20%), it signals that preventive maintenance is either underfunded or poorly managed. Driver OOS rates above 10% point to problems with hiring, training, or hours-of-service compliance. In our experience reviewing carrier profiles, high OOS rates are one of the strongest predictors of future crash involvement.

Review the specific violations cited in recent inspections. Recurring violations for the same defect (e.g., brake violations in multiple inspections) indicate the carrier isn't correcting identified problems.

Red Flags That Should Disqualify a Carrier

These red flags represent fundamental safety and compliance failures that expose shippers to unacceptable liability risk. No commercial advantage—lower rates, faster service, or relationship history—justifies using a carrier exhibiting these characteristics.

Contract Provisions for Safety

Carrier agreements should include specific safety requirements and performance expectations. Well-drafted contracts establish clear standards and provide legal mechanisms to enforce safety compliance.

Essential contract provisions:

• Safety Performance Standards: Specify minimum acceptable safety ratings, CSA percentile thresholds, crash rates, and OOS rates. Include the right to terminate for failure to maintain these standards.
• Insurance Requirements: Detail required coverage types and limits. Require carriers to name you as additional insured and provide 30-day notice of cancellation or material change.
• Authority Verification: Require carriers to warrant they maintain active operating authority and will immediately notify you of any suspension, revocation, or change in authority status.
• Indemnification: Include broad indemnification language requiring carriers to defend and hold you harmless from claims arising from their negligence or safety violations.
• Right to Audit: Reserve the right to review carrier safety records, driver qualification files, vehicle maintenance records, and other documentation to verify continued compliance.
• Regulatory Compliance: Require carriers to maintain compliance with all federal, state, and local regulations, including FMCSA regulations, hazmat rules, and environmental requirements.
• Immediate Disclosure: Mandate immediate written notice of any crashes involving your freight, DOT investigations, safety rating downgrades, or other material safety events.

Work with legal counsel experienced in transportation law to ensure your carrier agreements provide maximum protection. Standard boilerplate contracts often contain inadequate safety provisions.

Ongoing Monitoring

Initial vetting establishes baseline safety acceptability, but carrier safety performance changes over time. Implementing continuous monitoring ensures you identify deteriorating safety records before they result in crashes or legal exposure.

Monitoring best practices:

• Quarterly Re-checks: Review CSA scores, crash data, and insurance status every 90 days for all active carriers. More frequent checks (monthly) for carriers with concerning trends.
• Automated Alerts: Implement systems that notify you when carriers exceed CSA thresholds, receive safety rating downgrades, have authority suspensions, or experience insurance lapses.
• Post-Crash Review: Immediately investigate any carrier crash involving your freight. Obtain police reports, determine fault, and assess whether the crash indicates broader safety problems.
• Performance Scorecards: Develop internal scorecards tracking carrier safety metrics alongside traditional performance measures (on-time delivery, damage rates, billing accuracy).
• Annual Certification: Require carriers to annually certify continued compliance with contract safety requirements and provide updated documentation.

Consider subscription services that provide automated carrier monitoring and alerts. While these services require investment, they're far more cost-effective than attempting manual monitoring across large carrier networks.

Use Trucking Record to quickly check carrier safety profiles and monitor safety performance over time.

The Business Case for Safety

We will be honest: when we first started building our carrier database, we expected safety records and service quality to be loosely correlated at best. What we actually found was much stronger. The carriers with the cleanest crash histories and lowest OOS rates overwhelmingly tend to be the same ones delivering on time, responding to calls quickly, and filing clean paperwork. That is not a coincidence.

Safety and service reliability go hand in hand:

A carrier that invests in proper maintenance, hires qualified drivers, and manages hours-of-service carefully is running a disciplined operation. That same discipline shows up in on-time percentages, low cargo damage rates, and professional communication. On the flip side, research from the American Transportation Research Institute consistently shows that carriers with poor safety metrics have higher rates of service failures, breakdowns, and customer complaints. The corner-cutting that produces safety violations does not stay confined to the safety department -- it bleeds into everything.

Insurance and litigation savings:

Companies with documented, rigorous carrier vetting programs benefit from reduced insurance premiums and improved claim outcomes. Insurance underwriters view robust carrier selection as a key risk control that justifies more favorable rates.

In litigation following crashes involving contracted carriers, demonstrated due diligence significantly strengthens your defense against negligent selection claims. Courts are far more likely to find for defendants who can show systematic, documented safety vetting processes.

Brand and stakeholder value:

In an era of heightened social responsibility expectations, your carrier safety practices impact brand reputation and stakeholder confidence. Major retailers, manufacturers, and logistics providers increasingly face pressure from investors, customers, and advocacy groups to ensure supply chain safety.

Proactive safety leadership differentiates your organization and creates competitive advantage with safety-conscious customers who value responsible supply chain management.

Protect Your Company with Trucking Record

Trucking Record provides shippers with fast, comprehensive access to FMCSA carrier safety data, enabling informed vetting decisions and ongoing monitoring. Our database includes safety ratings, crash history, CSA scores, inspection results, and operating authority status for all registered motor carriers.

Search by USDOT number or carrier name to instantly retrieve complete safety profiles. Use our platform for:

• Initial carrier qualification and vetting
• Periodic re-checks of active carrier networks
• Spot verification before tendering high-value or sensitive freight
• Competitive comparisons when evaluating multiple carriers
• Due diligence documentation for compliance and legal purposes

Visit Trucking Record today to start protecting your company through data-driven carrier selection. All data is sourced directly from official FMCSA records, ensuring accuracy and regulatory compliance.

Additional Resources

For deeper exploration of specific safety topics mentioned in this guide:

• Freight Broker Due Diligence: Vetting Motor Carriers
• Commercial Truck Insurance Requirements and Coverage Guide
• CSA Scores Explained: Understanding SMS Percentiles
• Understanding FMCSA Safety Ratings
• How to Check a Trucking Company's Safety Record