|
gptkbp:instance_of
|
gptkb:cave
|
|
gptkbp:academic_programs
|
yes
|
|
gptkbp:cargo_types
|
available
|
|
gptkbp:challenges
|
water pressure
rock stability
|
|
gptkbp:connects
|
gptkb:Hokkaido
gptkb:Honshu
|
|
gptkbp:construction_cost
|
$4.5 billion
|
|
gptkbp:construction_method
|
cut-and-cover
|
|
gptkbp:construction_started
|
gptkb:1971
gptkb:1987
17 years
|
|
gptkbp:cultural_impact
|
gptkb:local_economy
transportation accessibility
|
|
gptkbp:cultural_references
|
in literature
in film
|
|
gptkbp:depth
|
240 m
|
|
gptkbp:design
|
by Japanese engineers
|
|
gptkbp:emergency_escape_tunnel
|
exists
|
|
gptkbp:emergency_services
|
conducted regularly
well-planned
|
|
gptkbp:employees
|
thousands employed
|
|
gptkbp:environmental_impact
|
studies conducted
|
|
gptkbp:features
|
double track
|
|
gptkbp:geological_challenges
|
earthquakes
tsunamis
|
|
gptkbp:has_toll
|
charged for usage
|
|
gptkbp:historical_significance
|
gptkb:World_War_II
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Seikan Tunnel
|
|
gptkbp:inspiration
|
for future tunnels
|
|
gptkbp:length
|
53.85 km
|
|
gptkbp:location
|
gptkb:Japan
|
|
gptkbp:maintenance
|
regular inspections
|
|
gptkbp:opened
|
gptkb:1988
|
|
gptkbp:operated_by
|
gptkb:Hokkaido_Railway_Company
|
|
gptkbp:owner
|
gptkb:Japan_Railways
|
|
gptkbp:passenger_capacity
|
available
|
|
gptkbp:passenger_traffic
|
reduced
|
|
gptkbp:primary_use
|
gptkb:transportation
|
|
gptkbp:public_perception
|
positive
|
|
gptkbp:railway_line
|
gptkb:Hakodate_Main_Line
|
|
gptkbp:safety_features
|
gptkb:Cooler
fire suppression system
emergency lighting
|
|
gptkbp:significance
|
longest undersea tunnel in the world
|
|
gptkbp:tourism_impact
|
increased
|
|
gptkbp:tourist_attraction
|
yes
|
|
gptkbp:tunnel_opening_ceremony
|
held in 1988
|
|
gptkbp:tunnel_sections
|
land section
undersea section
|
|
gptkbp:type
|
gptkb:cave
|
|
gptkbp:wing_configuration
|
8.4 m
|
|
gptkbp:bfsParent
|
gptkb:Aomori_Prefecture
|
|
gptkbp:bfsLayer
|
4
|