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How to Prepare for a DOT Audit

A DOT compliance review can happen at any time. Here's how to prepare your records, what auditors look for, and how to avoid the most common violations.

Types of DOT Compliance Reviews

The FMCSA conducts several types of compliance reviews for motor carriers:

Compliance Review (CR): A comprehensive, on-site audit of your safety management practices. Auditors review driver qualification files, hours of service records, vehicle maintenance records, drug and alcohol program records, and more.

Focused Review: A targeted review of specific areas following a complaint, accident, or previous compliance review that identified deficiencies.

Offsite Review: Review conducted using records submitted electronically, without an on-site visit.

New Entrant Safety Audit: Required for all new motor carriers within 18 months of registration. New entrants have a higher scrutiny level.

What DOT Auditors Look For

Driver Qualification Files

This is typically the first place auditors go. They check for:

  • Complete applications with 10-year employment history
  • Pre-employment MVRs from all required states
  • Current medical certificates for all active drivers
  • Annual MVR reviews
  • Documentation of employment history verification
  • Pre-employment drug test results
  • Clearinghouse query records

Drug and Alcohol Program Records

Auditors verify:

  • Written policy exists and has been distributed to drivers
  • Supervisor training is documented
  • Pre-employment testing was completed
  • Random testing program has met minimum rate requirements
  • Post-accident tests were conducted when required
  • Positive results were properly handled and reported to Clearinghouse
  • SAP evaluations and RTD tests were completed when applicable

Hours of Service Records

Review of driver logs or ELD records for compliance with HOS rules.

Vehicle Maintenance Records

Inspection and maintenance records for each vehicle in the fleet.

Preparing Your DQ Files

  1. Audit each file yourself before the auditor arrives. Check for every required document.
  2. Verify medical certificates are current for all active drivers.
  3. Confirm MVRs have been pulled for the current year for all drivers.
  4. Check Clearinghouse records — confirm all pre-employment queries are documented and annual queries are complete.

Preparing Your Drug and Alcohol Records

  1. Calculate your random testing rates for the current and prior years. Confirm you've met minimum rates.
  2. Locate your supervisor training documentation — certificates or sign-in sheets from training sessions.
  3. Verify your written D&A policy is current and has been provided to all drivers.
  4. Review any positive results — confirm that Clearinghouse reporting, SAP referrals, and RTD testing were completed properly.

Common Violations That Result in "Unsatisfactory" Ratings

  • Missing or incomplete driver qualification files
  • Failure to conduct or document Clearinghouse queries
  • Medical certificates that have expired without renewal
  • Random testing rates below minimum requirements
  • Failure to conduct post-accident testing when required
  • Missing supervisor training documentation

What Happens After an Unsatisfactory Rating

An unsatisfactory safety rating is a serious matter. It can result in:

  • Required corrective action plan
  • Follow-up compliance review
  • Out-of-service order in some cases
  • Difficulty obtaining insurance or operating authority

The Best Preparation Is Ongoing Compliance

The best way to prepare for a DOT audit is to maintain compliance continuously, not scramble before an audit. Regular internal audits of DQ files, monthly tracking of random testing rates, and automated alerts for expiring documents are the foundation of audit readiness.

At Do It Right Screening, our compliance portal tracks all DQ file requirements and sends alerts before documents expire. Contact us to get your program audit-ready.