Alaskan Way Viaduct Replacement

URI: https://gptkb.org/entity/Alaskan_Way_Viaduct_Replacement
GPTKB entity
Statements (51)
Predicate Object
gptkbp:instanceOf gptkb:infrastructure
gptkbp:component State Route 99 Tunnel
gptkbp:constructionStartYear 2011
gptkbp:environmentalImpact completed
gptkbp:fundedBy gptkb:Port_of_Seattle
federal funds
state and local funds
gptkbp:includes waterfront redevelopment
demolition of old viaduct
surface street improvements
gptkbp:location gptkb:Seattle,_Washington,_USA
gptkbp:managedBy gptkb:Washington_State_Department_of_Transportation
gptkbp:notableEvent cost overruns
delays
tunnel boring machine breakdown
gptkbp:opposedBy yes
gptkbp:projectCost $3.3 billion
gptkbp:projectSignificance earthquake safety improvement
major urban infrastructure project
largest bored tunnel in North America at completion
gptkbp:purpose replace earthquake-damaged viaduct
gptkbp:replacedBy gptkb:Alaskan_Way_Viaduct
gptkbp:tunnel 2 miles
bored tunnel
gptkbp:tunnelBoringMachineBreakdown December 2013
gptkbp:tunnelBoringMachineCompleted April 2017
gptkbp:tunnelBoringMachineDiameter 57.5 feet
gptkbp:tunnelBoringMachineManufacturer Hitachi Zosen
gptkbp:tunnelBoringMachineName gptkb:Bertha
gptkbp:tunnelBoringMachineRepairCompletion December 2015
gptkbp:tunnelBoringMachineResumed December 2015
gptkbp:tunnelCarries gptkb:State_Route_99
gptkbp:tunnelDepth up to 200 feet
gptkbp:tunnelLanes 2 lanes each direction
gptkbp:tunnelOpeningDate February 4, 2019
gptkbp:tunnelSafetyFeatures gptkb:ventilation_system
emergency exits
traffic monitoring
fire suppression system
gptkbp:tunnelSpeedLimit 50 mph
gptkbp:tunnelTolling yes
gptkbp:tunnelTollingMethod Good To Go! electronic tolling
gptkbp:tunnelTollingStartDate November 2019
gptkbp:viaductClosedDate January 11, 2019
gptkbp:viaductDemolitionEnd November 2019
gptkbp:viaductDemolitionStart February 2019
gptkbp:website http://www.alaskanwayviaduct.org/
gptkbp:bfsParent gptkb:Kiewit_Infrastructure_West_Co.
gptkb:Kiewit_Infrastructure_Group
gptkbp:bfsLayer 8
https://www.w3.org/2000/01/rdf-schema#label Alaskan Way Viaduct Replacement