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The Holland Tunnel is a vehicular tunnel under the Hudson River that connects Hudson Square and Lower Manhattan in New York City in the east to Jersey City, New Jersey in the west. The tunnel is operated by the Port Authority of New York and New Jersey and carries Interstate 78.
The tunnel fire main, a 6-inch (150 mm) water pipe cast directly into the secondary concrete lining, continued to function throughout the fire. [ 2 ] : 107 [ 3 ] : 7 The FDNY supplemented this with water from a 2.5-inch (6.4 cm) hose.
Aerial shot from 1973 of the Holland Tunnel Rotary serving eastbound tube of tunnel; a fifth exit was added in 2004. The section of I-78 within New York is 0.5 miles (0.80 km) long according to the Federal Highway Administration (FHWA), [1] although the New York State Department of Transportation (NYSDOT) considers I-78 to be 0.9 miles (1.4 km) long. [2]
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Clifford Milburn Holland (March 13, 1883 – October 27, 1924) was an American civil engineer who oversaw the construction of a number of subway and automobile tunnels in New York City, and for whom the Holland Tunnel is named.
By the time the tunnel was in service, the average carbon monoxide content in both tunnels was 0.69 parts per 10,000 parts of air. The highest recorded carbon monoxide level in the Holland Tunnel was 1.60 parts per 10,000, well below the permissible maximum of 4 parts per 10,000.
Although Meek had specifically said the Holland Tunnel was the target of the plot, authorities disputed this and said there had been "extremely vague" messages sent between online user accounts on a website they were monitoring. [7] [8]
The 8.2-mile (13.2 km) long expressway was opened in 1956 to provide access from the New Jersey Turnpike mainline to the Holland Tunnel. [ 10 ] [ 11 ] At this time, the Interstate Highway System was established and a route was planned to run east–west from the Harrisburg, Pennsylvania , area to New York City, running across the northern part ...