Why TSA’s Nationwide CT Scanner Rollout Is Forcing Rolling Carry-Ons Into Checked Baggage

Simple Flying

With $781.2 million spent retrofitting checkpoints at hundreds of airports, the last thing most travelers would expect to lose is room for their luggage. Yet that is exactly what has been happening. The new computed tomography (CT) scanners that let passengers leave laptops and travel-size liquids zipped inside their bags have a narrower tunnel opening than the X-ray machines they are replacing, and that narrower opening is quietly sending a growing number of ordinary rolling carry-on baggage back to the ticket counter. The airline’s size limit hasn’t changed; the machine has.

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