The Guardian • 1/23/2026

Heathrow Airport has lifted the 100ml restriction on liquids in cabin luggage, allowing travelers to carry containers of up to two liters. This change comes as part of a significant £1 billion technology upgrade that includes the installation of advanced CT scanners. The new security measures mean passengers no longer need to separate liquids or electronic devices from their bags during security checks. This development marks a significant shift in airport security protocols, reflecting a broader trend towards modernization and improved passenger experience in air travel. The removal of the liquid limit not only simplifies the security process but also addresses long-standing frustrations among travelers regarding cumbersome regulations. Historically, such restrictions were implemented in response to security threats, but advancements in technology now allow for more efficient screening methods. This change is likely to resonate with travelers, as it enhances convenience and aligns with ongoing efforts to streamline airport operations, making air travel more accessible and user-friendly. The evolution of security measures at airports underscores the importance of balancing safety with passenger comfort, a theme that will continue to be relevant as technology advances.
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