What The TSA Liquids Rule Really Means At US Checkpoints In 2026
Even as the TSA changes, the 3-1-1 rule stays the same (for now).
By Luke DiazZimbabwe
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The Transportation Security Administration (TSA) restriction on liquids, aerosols, and gels, widely known as the 3-1-1 rule in the United States, was not an arbitrary policy. Because legacy X-ray machines could not safely differentiate harmless beverages or toiletries from volatile liquid explosive components, it was implemented by the TSA in August 2006.
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About this article
- Length
- 52 words · 1 min read
- Published
- November 9, 2026
- Byline
- Luke Diaz
- Source
- Simple Flying