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gptkbp:instance_of
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gptkb:cave
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gptkbp:academic_programs
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gptkb:H._M._Mc_Culloch
notable engineering achievement
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gptkbp:access
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24 hours a day
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gptkbp:architect
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gptkb:Hugh_A._Mc_Culloch
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gptkbp:breathability
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mechanical ventilation system
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gptkbp:challenges
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geological conditions
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gptkbp:connects
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gptkb:Detroit,_Michigan
gptkb:Windsor,_Ontario
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gptkbp:constructed_in
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concrete
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gptkbp:construction_material
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steel and concrete
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gptkbp:construction_started
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gptkb:1927
gptkb:1930
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gptkbp:crosses
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gptkb:Detroit_River
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gptkbp:cultural_significance
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symbol of U. S.-Canada relations
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gptkbp:depth
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approximately 75 feet below water surface
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gptkbp:design
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twin-tube
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gptkbp:emergency_exits
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designated emergency exits
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gptkbp:emergency_services
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available
conducted regularly
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gptkbp:enforces
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monitored by authorities
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gptkbp:environmental_impact
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studies conducted
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gptkbp:future_plans
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upgrades and improvements planned
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gptkbp:has_public_transport
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not available
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gptkbp:has_toll
|
yes
varies by vehicle type
automated toll booths
used for maintenance and operations
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gptkbp:historical_significance
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important for local economy
first underwater vehicular crossing between the U. S. and Canada
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|
https://www.w3.org/2000/01/rdf-schema#label
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Detroit-Windsor Tunnel
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gptkbp:length
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1.6 miles
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gptkbp:lighting
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LED lighting system
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gptkbp:location
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gptkb:Detroit,_Michigan
gptkb:Windsor,_Ontario
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gptkbp:maintenance
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gptkb:Detroit-Windsor_Tunnel_Corporation
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gptkbp:opened
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gptkb:1930
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gptkbp:owner
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gptkb:Detroit-Windsor_Tunnel_Corporation
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gptkbp:partnership
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U. S. and Canadian governments
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gptkbp:passenger_traffic
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gptkb:automobile
commercial vehicles
traffic monitoring systems
over 3 million vehicles
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gptkbp:public_access
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restricted during maintenance
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gptkbp:renovation
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multiple over the years
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gptkbp:security
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border security measures
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gptkbp:significance
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important trade route
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gptkbp:tourist_attraction
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not a primary tourist attraction
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gptkbp:type
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vehicular tunnel
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gptkbp:bfsParent
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gptkb:Detroit,_Michigan
gptkb:Detroit
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gptkbp:bfsLayer
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4
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