Hazmat Vehicle Marking — FMCSA DOT Requirements
Regulation 49 CFR Part 172 Subpart F · Canada
§The Law
49 CFR Part 172 Subpart F — Regulation 49 CFR Part 172 Subpart F
“Vehicles transporting hazardous materials must display DOT placards identifying the hazard class, UN number, and comply with FMCSA hazmat marking requirements.”
View official regulation text✓Plain English
Hazmats get diamond-shaped placards showing what dangerous goods are inside. Class 3 (flammable), Class 8 (corrosive), etc. These are mandatory for cross-border moves.
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Specific Requirements
DOT placards — diamond shaped
Hazard class number in placard
UN number for specific material
USDOT number plus hazmat markings
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Shop USDOT DecalsOr call (289) 228-7021Regulation Quick Facts
- Regulation
- 49 CFR Part 172 Subpart F
- Jurisdiction
- 🇨🇦 Canada
- Category
- Cross-Border Compliance
What if 49 CFR Part 172 Subpart F changes next year?
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Compliance Certificate
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