Gateway Arch National Park boundary expands by 2.18 acres
S. 4955 — Gateway Arch National Park Boundary Revision Act of 2026 · Filed by Richard Durbin (D-IL) · Introduced Jul 13, 2026 · Hearing held
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What it does
This bill changes the park's official name. It was called Jefferson National Expansion Memorial. Now it is Gateway Arch National Park. The park grows from 100 acres to 102.18 acres. The bill updates the official map to August 2023.
Who it affects
The park is in St. Louis. The boundary change is mostly a paperwork update. The new acres could affect local land use and public access.
One thing to notice
The bill does not say how the park will get the new acres. It does not say who will pay for them.
From the analysis of the bill text, linked under Primary records below.
Where it stands
- Jul 13, 2026 — Introduced · Congress.gov: “Introduced in Senate”
- Jul 13, 2026 — Referred to Senate Committee on Energy and Natural Resources · Congress.gov: “Read twice and referred to the Committee on Energy and Natural Resources. (text: CR S3746)”
- Sep 16, 2026 — Hearing held · Congress.gov: “Committee on Energy and Natural Resources. Hearings held”
Dates and quoted wording are Congress.gov's action record; the timeline shows status changes, not every procedural step.
Words to know
- boundary — The official line that marks where a park starts and stops.
- acres — Units of land measurement used to describe park size.
How this was measured
Analysis — Quorum's AI read the bill text published by Congress.gov (641 characters) on Sep 18, 2026. Section numbers in the findings refer to that text, linked below; transparency and hidden-provision scores are compared against the median of 14,707 analysed bills.
Status and sponsors — Congress.gov's bill record — actions, committee referrals and cosponsors — loaded nightly. The timeline shows status changes, not every procedural action.
As of — page rendered 2026-09-23.
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