First International Tunnel


First International Tunnel photo of First International Tunnel
At this point the Grand Trunk Western Railroad tunnel, linking Port Huron with Canada, passes underneath Military Street. This international submarine railway tunnel -- first in the world -- was opened in 1891. The tunnel's total length is 11,725 feet, with 2,290 feet underwater. The tunnel operations were electrified in 1908 and completely diesalized in 1958. Tracks were lowered in 1949 to accommodate larger freight cars. During World War I, a plot to blast the tunnel was foiled.
 

Registered Site S0081
Erected 1963

Location: Originally on Military Street, now located on 16th St. at Grand Trunk mainline
Port Huron, Saint Clair County

Topics:
Transportation


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