https://www.6sqft.com/partial-shutdown-of-hudson-river-tunnel-would-cause-ny-and-nj-home-values-to-drop-by-22b-report-says/
The RPA found that a four-year shutdown of the tunnels would cost the national economy $16 billion, $1.5 billion in federal tax revenue, and $1 billion in...
hudson river tunnelpartialshutdownwouldcause
https://www.pbslearningmedia.org/resource/amex26.socst.psunderwaterdiagram/diagram-of-the-hudson-river-tunnel-circa-1909/
This August 7, 1909 diagram features the Pennsylvania Railroad's plan for a tunnel under the Hudson River. This resource is part of the American Experience...
hudson river tunnelamerican experiencediagramcirca