INFRASTRUCTURE• REGIONAL REPORT
Gateway Rail Project Reaches Subterranean Excavation Milestone Under Hudson River
Engineers completed initial riverbed stabilization and tunnel portal preparation for the new double-track Hudson River passenger rail tunnel.
By NY District News Staff•New York / New Jersey
August 27, 2026|5 min read
Engineers inspect the Hudson River tunnel portal structure for the Gateway interstate rail expansion.
NY DISTRICT NEWSNEW YORK — The Gateway Development Commission announced a significant milestone today in the construction of the new Hudson Tunnel Project, completing riverbed ground stabilization and portal excavation on the Manhattan shoreline.
The $16 billion infrastructure project is constructing a new two-track heavy rail tunnel beneath the Hudson River, doubling passenger capacity for Amtrak and NJ TRANSIT commuter trains entering New York Penn Station.
Engineers utilized specialized ground-freezing technology to stabilize soft riverbed soils prior to launching high-capacity tunnel boring machines.
The new tunnel will allow the existing 115-year-old North River Tunnels—which suffered extensive saltwater damage during Superstorm Sandy—to be systematically taken offline for comprehensive rehabilitation.
Transportation officials emphasized that the expanded rail corridor will dramatically improve reliability and schedule performance across the entire Northeast Corridor transit network.
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