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gptkbp:instanceOf
|
gptkb:railway_line
|
|
gptkbp:builtBy
|
gptkb:St._Clair_Tunnel_Company
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|
gptkbp:connects
|
gptkb:Canada
gptkb:United_States
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|
gptkbp:country
|
gptkb:Canada
gptkb:United_States
|
|
gptkbp:crosses
|
gptkb:St._Clair_River
|
|
gptkbp:engineer
|
gptkb:Joseph_Hobson
|
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gptkbp:gauge
|
standard gauge
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|
gptkbp:historicalSignificance
|
first underwater rail tunnel between two countries
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
St. Clair Tunnel
|
|
gptkbp:length
|
2.5 kilometers
|
|
gptkbp:listedOn
|
gptkb:Canadian_Register_of_Historic_Places
gptkb:Historic_Civil_Engineering_Landmark_(ASCE)
|
|
gptkbp:location
|
between Sarnia, Ontario and Port Huron, Michigan
|
|
gptkbp:notableFor
|
first use of compressed air tunneling in North America
|
|
gptkbp:opened
|
1891
|
|
gptkbp:operator
|
gptkb:Canadian_National_Railway
|
|
gptkbp:replacedBy
|
gptkb:new_St._Clair_Tunnel_(1994)
|
|
gptkbp:status
|
closed to rail traffic
|
|
gptkbp:structureType
|
subaqueous tunnel
|
|
gptkbp:bfsParent
|
gptkb:Port_Huron-Sarnia_rail_tunnel
gptkb:Sarnia_Rail_Tunnel
|
|
gptkbp:bfsLayer
|
6
|