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Compliance Diagrams & Resources

11 original diagrams covering FMCSA, DOT and hazmat compliance. Use them on your own site, in training materials, or in presentations — all we ask is a link back.

Interactive Tools

DOT Placard Calculator →

Enter hazard class, packaging type and weight to find out whether 49 CFR 172.504 requires a placard on your load. Handles the Table 1 / Table 2 split, the bulk packaging override and the Class 9 domestic exception, citing the governing regulation with each result.

Usage terms

Each diagram below includes ready-made embed code with the attribution already in place. Hotlinking the SVG directly from this site is fine — we do not block it.

Hazmat & High-Risk Transport

Hazmat Packing Groups: PG I, II and III

Danger level, flash point criteria and the X/Y/Z packaging ratings each group accepts.

Hazmat Packing Groups: PG I, II and III
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/packing-groups-diagram.svg" alt="Hazmat Packing Groups: PG I, II and III" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/hazmat-transport/hazmat-packing-groups-explained/">US Trucking Standards</a></figcaption>
</figure>

How to Read an IBC Certification Code

Anatomy of a 31HA1/Y code — design type, packing group rating, manufacture date and retest stamp.

How to Read an IBC Certification Code
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/ibc-certification-code.svg" alt="How to Read an IBC Certification Code" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/hazmat-transport/ibc-tote-transport-requirements/">US Trucking Standards</a></figcaption>
</figure>

Lithium Battery UN Number Decision Chart

UN3480, UN3481, UN3090, UN3091 and UN3536 by chemistry and packing configuration.

Lithium Battery UN Number Decision Chart
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/lithium-battery-un-numbers.svg" alt="Lithium Battery UN Number Decision Chart" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/hazmat-transport/lithium-battery-shipping-requirements/">US Trucking Standards</a></figcaption>
</figure>

Trucking Law & Liability

How an FMCSA Safety Rating Is Assigned

The six scored factors, how they combine into Satisfactory / Conditional / Unsatisfactory, and what each rating triggers.

How an FMCSA Safety Rating Is Assigned
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/fmcsa-safety-rating-process.svg" alt="How an FMCSA Safety Rating Is Assigned" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/trucking-law/fmcsa-safety-rating-explained/">US Trucking Standards</a></figcaption>
</figure>

How a Nuclear Verdict Case Is Built

Five phases from spoliation letter to trial, and which carrier records each phase targets.

How a Nuclear Verdict Case Is Built
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/nuclear-verdict-case-timeline.svg" alt="How a Nuclear Verdict Case Is Built" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/trucking-law/anatomy-of-a-nuclear-verdict/">US Trucking Standards</a></figcaption>
</figure>

The First 24 Hours After a Truck Accident

Response timeline with the federal 8-hour and 32-hour post-accident testing deadlines.

The First 24 Hours After a Truck Accident
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/first-24-hours-accident-response.svg" alt="The First 24 Hours After a Truck Accident" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/trucking-law/first-24-hours-after-truck-accident/">US Trucking Standards</a></figcaption>
</figure>

The AB5 "ABC Test" for Trucking

All three prongs of California's independent contractor test, including the Prong B trap.

The AB5 "ABC Test" for Trucking
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/ab5-abc-test-flowchart.svg" alt="The AB5 "ABC Test" for Trucking" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/trucking-law/ab5-enforcement-trucking-california/">US Trucking Standards</a></figcaption>
</figure>

Commercial Fleet Insurance

Commercial Truck Insurance Cost Breakdown

Annual premium ranges per truck by coverage type for a for-hire operation in 2026.

Commercial Truck Insurance Cost Breakdown
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/truck-insurance-cost-breakdown.svg" alt="Commercial Truck Insurance Cost Breakdown" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/fleet-insurance/commercial-truck-insurance-cost-2026/">US Trucking Standards</a></figcaption>
</figure>

Liability Minimums: Federal Floor vs. Market Demand

FMCSA minimums by cargo type against what brokers and shippers actually require.

Liability Minimums: Federal Floor vs. Market Demand
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/trucking-insurance-minimums-federal-vs-state.svg" alt="Liability Minimums: Federal Floor vs. Market Demand" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/fleet-insurance/trucking-insurance-requirements-by-state/">US Trucking Standards</a></figcaption>
</figure>

How Strategic Cargo Theft Works

The five-step carrier impersonation scheme, from identity harvesting to redirection.

How Strategic Cargo Theft Works
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/strategic-cargo-theft-scheme.svg" alt="How Strategic Cargo Theft Works" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/fleet-insurance/strategic-cargo-theft-carrier-identity/">US Trucking Standards</a></figcaption>
</figure>

Fleet Telematics & AI

ELD Malfunction Compliance Clock

The 24-hour, 5-day and 8-day deadlines after an ELD failure, plus the required information packet.

ELD Malfunction Compliance Clock
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<figure>
  <img src="https://ustruckingstandards.com/diagrams/eld-malfunction-timeline.svg" alt="ELD Malfunction Compliance Clock" style="max-width:100%;height:auto">
  <figcaption>Source: <a href="https://ustruckingstandards.com/fleet-telematics/eld-malfunction-fmcsa-rules-dot-inspection/">US Trucking Standards</a></figcaption>
</figure>

Using these in something public?

We would like to know. If you have published one of these diagrams on a site, used it in a training programme, or want a variation covering a topic we have not drawn yet, write to editor@ustruckingstandards.com.

Requests for new diagrams are welcome — they tell us what the industry is actually trying to understand.