Featured Guide
Driver Qualification File Requirements 2026: Complete FMCSA Checklist (49 CFR Part 391)
Every document required in a DOT-compliant driver qualification file — application, MVR, road test, medical certificate, PSP report, Clearinghouse query, and annual review. Includes retention timelines, audit triggers, and a free DQ File Checker for all 50 states.
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CSA Score Explained: How It's Calculated, Why It Destroys Small Carriers, and How to Fix It
Every FMCSA CSA BASIC explained with real severity weights, exact intervention thresholds, 24-month decay mechanics, insurance consequences, and a violation impact calculator — built for owner-operators and small fleets.
DOT Compliance Checklist 2026: Complete Guide for Small Fleets (5–30 Trucks)
Every FMCSA requirement across driver files, vehicle inspections, and company-level filings — with expiration timelines, CSA score impact, and a free non-compliance cost calculator.
What Is DOT Compliance? Complete Guide for Small Trucking Companies (2026)
Every FMCSA compliance category explained in plain English — driver qualification files, hours of service, drug and alcohol testing, vehicle maintenance, insurance, and operating authority. Built for small fleets without a compliance department. Includes a 7-step setup guide, penalty table, CSA score breakdown, and free non-compliance cost calculator.
What Happens When a Driver's Medical Certificate Expires — And Who's Liable
An expired DOT medical certificate doesn't just put a driver out of service — it exposes the carrier to negligent entrustment claims, insurance denial, and CSA cascade violations. Here's exactly what happens and who bears the cost.
CDL License Requirements by State (2026) — Complete 50-State Guide
Every state's CDL requirements in one place: age minimums, CLP and CDL fees, ELDT training rules, DOT medical card requirements, endorsements, disqualifying violations, and official DMV links. Covers all 50 states. Updated March 2026 by FMCSA compliance specialists.
DOT Physical Requirements 2026: Complete Guide — Pass/Fail Criteria, Costs & What to Expect
Every DOT physical requirement explained by an FMCSA-certified medical examiner: vision, blood pressure, hearing, diabetes exemptions, sleep apnea rules, and real pass/fail scenarios. Includes cost breakdown by state and a DOT Physical Eligibility Checker.
FMCSA Hours of Service Rules Explained (2026): 11-Hour, 14-Hour, 30-Minute Break & All Exemptions
Every HOS rule explained for property-carrying drivers: the 11-hour driving limit, 14-hour window, 30-minute break, 60/70-hour limits, sleeper berth split, 34-hour restart, adverse conditions exemption, and personal conveyance. Includes an interactive driver-day visualizer and violations/CSA points table.
What Happens During a DOT Roadside Inspection? Complete Driver Guide (2026)
All 6 CVSA inspection levels explained, exact out-of-service triggers, what inspectors check, what to say and not say during an inspection, and a step-by-step driver prep checklist. Covers Level I–VI with real CFR citations.
DOT Drug Testing Requirements for Trucking Companies (2026): Complete Compliance Guide
Everything a motor carrier needs to know about FMCSA-mandated drug and alcohol testing: pre-employment, random, post-accident, reasonable suspicion, return-to-duty, and follow-up testing. Includes minimum random testing rates, FMCSA Drug and Alcohol Clearinghouse obligations, and a free random drug testing calculator.
FMCSA Drug & Alcohol Clearinghouse: Complete Carrier Guide (2026)
Everything motor carriers must know about the FMCSA Drug and Alcohol Clearinghouse: registration requirements, pre-employment full-query mandates, annual limited-query obligations, reporting violations, return-to-duty tracking, and audit exposure. Includes penalty table and free compliance calendar.
IFTA Filing Requirements 2026: Complete Guide for Owner-Operators & Small Fleets
Every IFTA requirement explained: who must file, which vehicles qualify, how to calculate fuel tax by jurisdiction, quarterly filing deadlines, recordkeeping rules, audit triggers, and penalties for non-compliance. Covers all 48 contiguous states and 10 Canadian provinces. Includes a fuel tax liability estimator.
About This Blog
TruckComplianceHQ publishes practical FMCSA compliance guides written specifically for small fleet operators running 5 to 30 trucks. Every guide is built against current federal regulations under 49 CFR and updated when rules change. No legal jargon, no filler — just actionable information that maps directly to the tools and workflows you need to stay compliant.
These guides complement our free DOT compliance tools and the full fleet compliance dashboard, which automates tracking and expiration alerts for your entire fleet.