Hoosac Tunnel, Railway tunnel in North Adams and Florida, United States.
The Hoosac Tunnel extends 4.75 miles through the Hoosac Mountain Range, connecting North Adams and Florida in western Massachusetts.
Construction began in 1851 and required 24 years to complete, with 195 worker injuries and 135 deaths during the dangerous excavation process.
The tunnel received recognition as a Historic Civil Engineering Landmark in 1975 for introducing nitroglycerin and electric blasting caps in American tunnel construction.
The east portal access point stands at the intersection of Whitcomb Hill Road and River Road in Florida, with the entrance visible half a mile northwest.
The central shaft location includes ventilation fans and a memorial dedicated to 13 miners who perished in an 1867 explosion during construction.
Location: Florida
Location: North Adams
Inception: 1870s
Official opening: 1876
Length: 7,645 m
GPS coordinates: 42.67500,-73.04528
Latest update: September 24, 2025 10:23
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