DOT Compliance Guides & Articles

A complete guide to reinstating a CDL driver after a Clearinghouse violation, the Return-to-Duty process, status flow, employer obligations, and what to know before hiring a driver with violation history.

A complete guide to reinstating a CDL driver after a Clearinghouse violation, the Return-to-Duty process, status flow, employer obligations, and what to know before hiring a driver with a Clearinghouse violation history.

FMCSA''s new registration system, Motus, is in Phase II rollout. Here''s what fmcsa compliance teams should know about the URS sunset and what to do this quarter.

DEA issued a narrow Schedule III order covering FDA-approved marijuana-related products and certain state-licensed medical marijuana activity. Here''s what changed, what didn''t, and what DOT drug testing programs need to know.

DOT''s new procedural rule (effective May 27, 2026) constrains how FMCSA can use guidance in audits and enforcement. Here''s what changes for your FMCSA compliance audit prep.

FMCSA granted a 6-month exemption letting carriers rely on a paper medical examiner''s certificate for 60 days. Here''s how to update your DQ file workflow and driver training.

FMCSA revised the DataQs requirements states must meet to keep MCSAP grant funding. Here''s what the change means for CSA score challenges and your fleet''s compliance strategy.

FMCSA published a Privacy Act SORN consolidating registration data into a single new system tied to MOTUS. What it means and how to comment.

FMCSA opened a comment window on the CDL Drug & Alcohol Clearinghouse ICR. Comments close June 1, 2026. Here''s what the notice says and what to flag.

DEA will hold a new hearing on the marijuana rescheduling rulemaking starting June 29, 2026. What DOT-regulated employers, drivers, and SAPs need to know about the testing implications.

DOT just revised 49 CFR Part 40. When an oral fluid test is required but unavailable, collectors must conduct a directly observed urine collection. What every DOT D&A program operator needs to do.

FMCSA is renewing the ICR for the 391.41 CMV Driver Medication Form. What the form is, when MEs use it, and what carriers and drivers should know before the comment window closes.

FMCSA renewed the data-collection authority for HazMat highway routing under 49 CFR Part 397. Here is how the routing framework works and what HazMat carriers should verify in 2026.

FMCSA extended the UCR Fees 2027 comment period from May 7 to May 26, 2026, after SBTC pushed back. Here is what carriers should review and file before the new deadline.

The DEA placed FDA-approved marijuana products in Schedule III on April 28, 2026. Here is what the rule does, what it does not change for DOT drug testing, and what fleet managers should do now.

FAA published a Part 120 drug and alcohol testing program ICR renewal on April 24, 2026. Here is what the program covers, what the renewal asks for, and how it intersects with the broader DOT testing regime.

FMCSA''''s new Motus registration system replaces URS in Phase II this quarter. Here is what changes for motor carriers, brokers, freight forwarders, and BOC-3 filers — and what to do this week.

FMCSA''''s April 2026 ICR renewal for process agent designation under 49 CFR 366. What fleet compliance management teams should verify on their BOC-3 today.

FMCSA''s April 2026 exemption lets CDL drivers use paper DOT physical exam medical cards for 60 days. What fleets need to do now and through October 2026.

FMCSA is reconsidering the rule requiring CMV drivers to stop at every railroad grade crossing. A proposed exception for crossings with inactive warning devices is open for comment through April 27. What it means for your fleet.

FMCSA is launching a new data collection on how CMV driver schedules affect crash risk and fatigue. Comments close May 20. What safety managers should know — and do — while the study is underway.

NHTSA''s April 2026 interim final rule on FMVSS 208 delays compliance dates and clarifies seat belt reminder requirements. What fleets acquiring new vehicles through 2027 need to know.

CSA violations remain in FMCSA''''''''s SMS calculation for 24 months with time-weighted severity, but stay in MCMIS and PSP databases much longer. The retention timelines fleet managers need to track across all three systems.

Federal law requires carriers to pull and review an MVR for every CDL driver at least once every 12 months. Get a full breakdown of the process, disqualifying offenses, and how continuous MVR monitoring compares.

Not every CMV driver needs an ELD. These are the specific exemptions under 49 CFR Part 395, short-haul, pre-2000 vehicles, driveaway-towaway, agricultural, and the 8-day rule that catches fleets off guard.

A practical guide to reducing BASIC percentiles, DataQs challenges, pre-trip inspection programs, PSP-based hiring, monthly SMS monitoring, and driver training strategies that produce measurable results.

Every commercial motor vehicle operating in interstate commerce needs a USDOT number. This guide covers who needs one, how to apply, the difference between a USDOT and MC number, and what to do after registration.

The 11-hour driving limit and the 14-hour on-duty window are two separate clocks running simultaneously. They interact in ways that trip up dispatchers and drivers alike — especially when detention time and sleeper berth splits enter the picture.

DOT audits examine six safety management factors across your entire operation — the violations that trigger downgrades, the records FMCSA investigators pull first, and a 30-day preparation checklist for fleet managers.

Certain MVR entries disqualify a CDL driver immediately: DUI, leaving the scene, felony use of a CMV, and more. Find out the specific offenses, disqualification periods, and required fleet manager actions under 49 CFR 383.51.

FMCSA evaluates carrier safety across 7 BASIC categories, Unsafe Driving, HOS, Driver Fitness, Controlled Substances/Alcohol, Vehicle Maintenance, HM Compliance, and Crash Indicator. What fleet managers need to know about each one.

CDL driver fails a drug test? Learn what happens when a truck driver fails a DOT drug test. Includes required SAP evaluation after failing a DOT.

49 CFR §382.401 requires carriers to maintain records related to drug and alcohol testing for up to five years. Find out what to keep, how long the retention period is, and what happens when DOT drug & alcohol test records are missing.

A side-by-side comparison of continuous MVR monitoring and annual-only reviews, cost per driver, detection speed, insurance impact, litigation exposure, and when each approach makes sense.

The 9-step RTD process under 49 CFR Part 40 Subpart O is one of the most documentation-heavy Department of Transportation (DOT) compliance obligations carriers face — the full workflow from violation to reinstatement, and the records required to stay audit-ready under DOT regulations.

Learn how the FMCSA 50% random drug testing rate works, quarterly draw schedules, pool calculation formulas, alcohol testing minimums, and MIS reporting requirements.

FMCSA requires annual MVR reviews for CDL drivers, but annual is the floor, not the ceiling. Recommended frequencies by fleet size, risk level, and what insurers now expect.

The MCS-150 is the motor carrier census form that must be updated every two years with FMCSA — your biennial update deadline, how to file, and the penalties for missing it.

The BOC-3 form designates process agents in every state where your carrier operates — who needs one, how to file, and what happens if you do not have it on record with FMCSA.

FMCSA assigns one of three safety ratings after a compliance review — Satisfactory, Conditional, or Unsatisfactory. Each one affects your insurance, shipper relationships, and ability to operate.

An MVR contains license status, endorsements, restrictions, violations, accidents, and suspensions. This guide breaks down every section and the red flags that matter for fleet compliance.

DOT physicals and drug tests are separate requirements, but managing both across a driver pool is where fleets get caught. This guide covers both programs and how to run them without gaps.

The driver file retention period is employment plus three years. Drug and alcohol records follow different timelines under §382.401. Get a full document-by-document breakdown for fleet and DOT compliance managers.

FMCSA intervention thresholds vary by BASIC category and carrier type, 65th percentile for some, 80th for others. The thresholds, consequences, and what fleet managers can do before a warning letter arrives.

Regulation 49 CFR §382.401 requires carriers to maintain specific drug and alcohol testing records for up to five years — what to keep, how long, and what happens when records are missing.

FMCSA compliance reviews check all required DQF documents per driver. Missing even one is a violation. Step-by-step audit prep guide with the most common failures.

What a SAP does, who qualifies under 49 CFR Part 40 Subpart O, the evaluation process, treatment requirements, and follow-up testing obligations for employers.

A complete checklist of every document required in a driver qualification file under 49 CFR Part 391, with audit verification points, timelines, and fleet management tips.

DOT physicals include a urinalysis, but it screens for medical conditions, not drugs. The physical and the drug test are separate requirements with different regulations, timelines, and processes.

Insurance underwriters use FMCSA SMS data to price commercial trucking policies. Elevated BASIC percentiles lead to surcharges, non-renewals, and surplus lines placement. The underwriting process, premium impact by scenario, and what carriers can do about it.

ELD violations result in out-of-service orders, civil penalties, and CSA score damage. Know what gets carriers cited, what it actually costs, and how to prevent it.

Stay compliant in 2026 with updated DOT drug testing requirements. Understand 49 CFR Part 40 and testing regulations for safety-sensitive transportation employees.