DOT-compliant hazmat freight

Hazardous materials are freight that can harm people, property, or the environment if it’s mishandled — and shipping it is governed by some of the strictest rules in transportation. A misclassified drum, a missing placard, or an incomplete shipping paper isn’t a paperwork slip; it’s a federal violation, a refused load, or a genuine safety incident. That’s why most shippers don’t move hazmat alone, and why a lot of brokers won’t touch it at all.

RS Group does. We move DOT-compliant hazardous materials in both LTL and full truckload, on carriers certified and equipped to haul them. We handle the parts that go wrong — the hazard classification, the UN numbering, the packaging and marking, the placarding, and the shipping papers — and we put a real person on the load who knows what the regulations require. You ship it once, legally, instead of finding out at a terminal that it can’t move.

Shipping hazardous materials

Hazmat shipping in the United States is regulated by the Department of Transportation under 49 CFR (the Hazardous Materials Regulations), with parallel rules from PHMSA, and — for air — IATA/ICAO. Those rules sort every regulated material into one of nine hazard classes: explosives, gases, flammable liquids, flammable solids, oxidizers and organic peroxides, toxic and infectious substances, radioactive material, corrosives, and a miscellaneous class for everything else dangerous.

Getting a hazmat load moving means getting a chain of details right, in order:

• Classification — identifying the correct hazard class, division, UN number, and proper shipping name for the material.
• Packaging — using UN-specification packaging rated for the material and quantity, in the right packing group.
• Marking and labeling — the UN number, proper shipping name, and hazard labels applied correctly to each package.
• Placarding — the diamond placards the vehicle must display so responders know what it carries.
• Shipping papers — a complete, accurate hazardous materials document (the hazmat BOL) traveling with the freight.
• Emergency information — a 24-hour emergency response number and the right response data accessible during transport.

Miss any one and the load doesn’t legally move. We manage the whole chain so it does.

LTL and full truckload hazmat shipping

Hazmat moves both ways — and the right mode depends on quantity, compatibility, and urgency.

LTL hazardous shipping

When your hazmat freight is smaller than a full truckload — a few drums, a pallet of regulated product, a partial run — less-than-truckload is the cost-effective way to move it. Your freight shares a trailer with other shippers’ freight, so you pay only for the space you use. The catch is segregation: hazmat materials of incompatible classes can’t ride together, so the carrier and the broker have to know what’s already on the trailer and what can legally join it. We route hazmat LTL on carriers with the certifications and the segregation discipline to carry it correctly, and we classify your freight up front so it loads cleanly. (For the mechanics of standard LTL, see LTL freight shipping.)

FTL hazardous shipping

When the quantity is large, the deadline is tight, or the material is sensitive enough that you don’t want it sharing a trailer, full truckload is the answer. The freight rides on a dedicated truck, direct from origin to destination, with no intermediate dock transfers — fewer handling points, less exposure, and a single, uninterrupted run. We match the load to a carrier certified for that hazard class and the right equipment, and we manage the placarding and paperwork for the dedicated move. (See full truckload shipping for how FTL works generally.)

Examples of hazardous materials we ship

Across our 34,000+ carrier network we move regulated freight across the hazard classes, including:

• Paints, coatings, and solvents — flammable liquids (Class 3) that show up constantly in industrial and consumer supply chains.
• Batteries — lithium-ion and lithium-metal batteries (Class 9), which carry their own strict packaging, state-of-charge, and labeling rules whether shipped alone or installed in equipment.
• Industrial and laboratory chemicals — corrosives (Class 8), oxidizers (Class 5), and toxic substances (Class 6), each with its own packaging and segregation requirements.
• Compressed and liquefied gases — Class 2 cylinders and containers, including the dry ice (UN 1845) we supply and ship ourselves.
• Aerosols — pressurized consumer and industrial products that combine a flammable propellant with a gas hazard.
• Adhesives, resins, and cleaning agents — common commercial products that are regulated once they cross a flashpoint or corrosivity threshold.

If you’re not sure whether your product is regulated — or what class it falls in — that’s exactly the question to bring us. We’ll tell you, and if it’s not hazmat, we’ll say so honestly and move it as standard freight.

DOT compliance, handled

The reason to ship hazmat through RS Group instead of going it alone is that compliance is the whole game, and the penalties for getting it wrong are steep — civil penalties per violation, rejected loads, and real safety risk. We treat the classification and documentation as the core of the job, not an afterthought: we identify the material correctly, specify compliant packaging, prepare the shipping papers and emergency information, arrange the placarding, and book a carrier certified and trained for that class. A real person owns the load from pickup to delivery and answers when you call. You get a hazmat shipment that moves legally the first time — and a team that tells you the truth about what your specific material requires.