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gptkbp:instance_of
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gptkb:infrastructure
|
|
gptkbp:academic_programs
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gptkb:Massachusetts_Turnpike_Authority
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gptkbp:completed
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gptkb:2007
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gptkbp:controversy
|
cost overruns
construction delays
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gptkbp:design
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by Bechtel/ Parsons Brinckerhoff
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gptkbp:environmental_impact
|
improved air quality
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gptkbp:funding
|
federal and state funds
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|
https://www.w3.org/2000/01/rdf-schema#label
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Big Dig project
|
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gptkbp:impact
|
reduced traffic congestion
|
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gptkbp:includes
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gptkb:bridge
gptkb:parks
tunnels
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gptkbp:involved_technology
|
soil stabilization
traffic management systems
lighting systems
emergency response systems
noise barriers
ventilation systems
tunnel boring machines
cut-and-cover construction
waterproofing systems
deep excavation
|
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gptkbp:legacy
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gptkb:urban_development
increased property values
environmental restoration
increased tourism
improved public transportation access
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|
gptkbp:length
|
3.5 miles
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gptkbp:location
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gptkb:Boston,_Massachusetts
|
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gptkbp:parks
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gptkb:Rose_Kennedy_Greenway
|
|
gptkbp:price
|
$22 billion
|
|
gptkbp:project
|
gptkb:Central_Artery/_Tunnel_Project
gptkb:Green_Line_Extension
gptkb:Silver_Line_Bus_Rapid_Transit
South Station Expansion
North Station Redevelopment
|
|
gptkbp:public_perception
|
mixed reviews
|
|
gptkbp:purpose
|
to reroute the Central Artery
|
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gptkbp:safety
|
ceiling collapse in 2006
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gptkbp:significance
|
largest highway project in the U. S.
|
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gptkbp:started_in
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gptkb:1991
|
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gptkbp:tunnel_name
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gptkb:Thomas_P._O'_Neill_Jr._Tunnel
gptkb:Callahan_Tunnel
gptkb:South_Station_Tunnel
|
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gptkbp:bfsParent
|
gptkb:The_Leonard_P._Zakim_Bunker_Hill_Memorial_Bridge
gptkb:The_Rose_Kennedy_Greenway_Conservancy
gptkb:The_Boston_Globe
gptkb:Thomas_P._O'_Neill_Jr._Tunnel
gptkb:Zakim_Bridge
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gptkbp:bfsLayer
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5
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