Glossary

Containment

Containment means keeping cargo within a space or structure so it cannot leave the vehicle or load area.

Plain-English Meaning

Containment may involve vehicle structures, sideboards, racks, doors, packaging, nets, or other systems. The basic question is whether loose material or units can escape the load area.

Review containment with the cargo's likely movement paths. A system that blocks side movement may do little for upward bounce, rearward pressure, or small loose pieces.

In enclosed trailers, containment often overlaps with load shift review because doors, walls, decking, and blocking can all become part of the practical control plan.

In day-to-day freight work, the safest use of the term is narrow and factual. Confirm the current rule, equipment rating, shipment condition, and company procedure before using any glossary definition for a live securement decision.

Watchouts

  • Doors and walls can be damaged or overloaded.
  • Containment is not the same as a rated tiedown unless a source supports it.
  • A closed trailer or covered load should not be treated as proof that cargo cannot move.

Related Terms

Primary Sources / References

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