Infrastructure Featured

You Can Meet Them at the Gate Again

Twenty-five years after 9/11, Washington is quietly dismantling the airport security state: shoes stay on, liquids rules are dying lane by lane, and non-travelers can reach the gate again. The rollback is a technology story — and an investable one.

Alpha One

14 Sep 2026 • 6 min read

Last week, for the first time in a quarter century, the Transportation Security Administration began letting people without a boarding pass walk to an airport gate.

The program is called Gateside by TSA PreCheck. It launched at 13 U.S. airports — Dallas Fort Worth, Los Angeles, Detroit, Las Vegas, San Diego, and Salt Lake City among them — and it allows vetted non-travelers to pass through security to meet family at the gate, have dinner with a friend on a layover, or greet a service member coming home from deployment. Apply online one to three days ahead, show ID at the PreCheck lane, and you're through.

If that sounds unremarkable, consider what it actually is: the U.S. government voluntarily shrinking a security perimeter it has spent 25 years and hundreds of billions of dollars hardening. That almost never happens. Security rules ratchet on in days and come off in decades — if they come off at all. The fact that they are now coming off, one by one, is one of the more quietly significant policy stories of 2026. And like most quiet policy stories, there is money attached.

The unwinding, item by item

The September 11 attacks rebuilt the American airport from the curb inward. What followed was a series of accretions, each tied to a specific failed plot: shoes off because Richard Reid tried to detonate his sneakers on a Paris–Miami flight in December 2001; the 3.4-ounce liquids rule because British police foiled a liquid-explosives plot in 2006; the sealed sterile area because the hijackers themselves walked to the gates unimpeded.

Now watch the sequence run in reverse:

July 2025: The Department of Homeland Security ends the shoes-off requirement at standard checkpoints — a rule that had stood for nearly 24 years.
Rolling, ongoing: New computed-tomography scanners at a growing number of checkpoints let travelers leave liquids and electronics in their bags. The liquids rule technically still stands, but the hardware that makes it obsolete is being installed lane by lane.
August 2026: A new TSA administrator, David Cummins, takes over and launches "Horizon 25," a strategy explicitly framed around what the agency's next 25 years should look like rather than its last 25.
September 2026: Gateside opens the sterile area to vetted non-travelers at 13 airports, with a phased expansion planned.

Alongside all of this, TSA now accepts mobile driver's licenses from a lengthening list of states, and the agency scrapped a privatization pilot called TSA Gold+ in late August — only to immediately announce a successor "screening partnership program" designed, in Cummins's words, to better harness the private sector at checkpoints. Tampa International spent the summer evaluating privatized screening in part because it would insulate the airport from government shutdowns, which have repeatedly left TSA officers working without pay and checkpoints understaffed.

None of these items is dramatic on its own. Together they describe an institution doing something institutions rarely do: admitting that the threat model changed and that technology, not accumulated ritual, is now doing the real work. As aviation security professor Jeff Price put it to CNBC, the deployed technology "is better than it was five years ago" — and the rules built for the old technology are finally being allowed to expire.

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Why this is an economics story

The post-9/11 checkpoint was, among other things, a tax on time. Every minute a passenger spends in a screening line is a minute not spent in the terminal — and the terminal is where airports make their money. Non-aeronautical revenue — retail, food and beverage, parking, lounges — is the profit engine of the modern airport, and the single best predictor of how much a passenger spends airside is how much unhurried dwell time they have.

For 25 years, that airside customer base has had a hard cap: ticketed passengers only. Gateside is a small pilot, but it breaks the cap for the first time since 2001. Every meeter-and-greeter who clears security is a new customer for the restaurants and shops beyond it who, until last week, legally could not exist. Airport concessionaires and the operators who run terminal retail have spent two decades optimizing for a captive population; the population just stopped being fixed. If the pilot expands the way TSA says it intends to, the addressable market for airside commerce grows for the first time in a generation.

The second economic layer is the trusted-traveler franchise itself. Gateside is free — but it requires TSA PreCheck eligibility, and PreCheck costs $76.75 for five years. The government has, in effect, added a new membership benefit to a paid program, one aimed at people who aren't even flying. Every airport-adjacent perk that gets bolted onto PreCheck strengthens the same flywheel that private players monetize: CLEAR built a public company on the proposition that people will pay, and hand over biometric data, to move through an airport faster. The perimeter isn't disappearing; it's being converted from a wall into a subscription.

The third layer is hardware. The liquids rule doesn't end with a press release — it ends when every lane has a CT scanner, and that is a long, appropriations-funded procurement cycle benefiting the handful of firms that make certified checkpoint equipment. Add credential-authentication units, biometric gates, and the mobile-ID infrastructure now being accepted at checkpoints, and the unwinding of visible security is, in practice, a multi-year capital program for invisible security.

And hovering over all of it is the privatization question. The replacement for TSA Gold+ signals that this administration wants private operators at more checkpoints. Whatever form that takes, screening is a labor-intensive, congressionally funded service line that may be partially opened to contractors — a category of quiet federal outsourcing that rarely stays small once it starts.

The trade-off nobody hides anymore

What makes this rollback politically possible is worth being clear-eyed about: travelers are not getting 2000-era anonymity back. They are trading data for friction. PreCheck means pre-screening and a government file; CLEAR means biometrics held by a private company; mobile IDs mean your phone vouches for you. As Price noted, that is the explicit bargain — pay a few bucks, give up more personal data, skip the line. The security state isn't retreating so much as dematerializing: less theater at the checkpoint, more verification in the database.

The risks haven't vanished either — they've migrated. Ask the people who run airport security what keeps them up now and they name drones, cyberattacks, and AI-enabled threats, not box cutters. Keith Jeffries, a former TSA security director at LAX, offered the operative epitaph for the whole era: "There is no such thing as the perfect security mousetrap."

That cuts both ways, and it is the risk to every commercial thesis built on this trend. The ratchet that is loosening can snap tight again in a single news cycle. One serious incident at a checkpoint — anywhere in the world — and Gateside dies, the liquids rule outlives us all, and the airport of 2002 comes roaring back. The rollback is real, but it is contingent in a way that few policy shifts are. Investors in the dwell-time economy should price the asymmetry: the upside accrues gradually, and the downside arrives all at once.

The bottom line

Twenty-five years after the airport became a fortress, the fortress is being renovated into a marketplace. The winners are the businesses on the far side of the checkpoint: terminal retail and concessions with a newly expandable customer base, the trusted-traveler ecosystem converting vetting into memberships, the scanner and identity-tech vendors whose hardware makes the old rituals obsolete, and — if the new partnership program gets traction — private screening operators taking over a federal labor line. The losers are ritual and queue. It took one morning to build the post-9/11 airport. It is taking a generation to take it apart, and the taking-apart is where the returns are.

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