Cargo & Freight · Driver Training VideoHazmat Basics & Placards

Hazmat isn't extra paperwork — it's the difference between a routine stop and a federal violation, or an incident nobody walks away from clean.

Start with you

Nobody hauls a placarded load without a current Hazmat endorsement on their CDL. That takes a TSA background check, a knowledge test, and a renewal at least every five years — it's a background check on you personally, not a box you check once.

Placards follow a threshold

Most hazmat only needs placards once a load reaches one thousand and one pounds combined. A shorter list — the most dangerous classes — needs placards at any amount, even one pound.

Your shipping papers carry the proper shipping name, the UN number, and the hazard class for everything on the trailer. They ride within your reach — front seat, or clipped to the driver's door — never buried in the sleeper.

Placards go on all four sides — front, back, both sides — matching exactly what the paper says. Wrong diamond, wrong number, a missing placard: that's a violation whether or not anything ever spills.

Not every hazmat can share a trailer. Some classes can never ride together, others need distance between them. Those loading rules apply to the carrier, and that includes you — check the load against the papers, and if it looks built wrong, don't move it.

Some classes require an attendant within sight of the vehicle at all times — you don't walk off for coffee, and you don't leave it running in a lot alone.

Your company standard: current Hazmat endorsement before you touch the load. Shipping papers within reach, every mile. Placards matched to the paper, on all four sides.